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Water Filtration

Shop our carefully-selected drinking water filters, shower filters, whole house filters and water bottle filters. We only sell water filters that are tested by third-party labs. And, we publish the lab reports, so you can feel confident.
  • Propur Under Counter Water Filter System
    Quick shop

    Free Shipping

    Do you want the cleanest water? Choose the Propur Under Counter Water Filter System with the Promax filter.

    This filter uses leading edge technology to reduce and remove a broad range of over 200 contaminants including:

      • VOCs
      • Lead
      • Fluoride
      • Heavy metals
      • Pesticides
      • SVCs
      • Water disinfectants - Chlorine & Chloramine
      • Inorganic non-metallics
      • Herbicides
      • Pharmaceuticals
      • PFOA
      • PFOS
      • Micro-organisms

    The advanced Promax filter technology is effective at removing contaminants that previously required a reverse osmosis and carbon filter system!

    Tested by a certified third-party lab to meet NSF 42, NSF 53, and NSF P231 standards.

    Read the Propur Under Counter installation instructions.

    Features of the Propur Under Counter System - Promax PMC-4000

      • Single stage design
      • Premium quality housing and fittings (all NSF approved materials)
      • Includes countertop faucet in polished stainless
      • Includes 1 filter
      • ABS plastic housing - BPA & BPS free
      • No power required
      • Easy to replace filter element
      • Filter does not remove minerals from your water like reverse osmosis water filters
      • Dimensions: 4.75" x 4.75" x 12.5"
      • Flow rate: 0.2 - 1.0 gallons/min
      • Filter life: up to 1 year
      • 1 yr warranty
      • Made in the USA

    What Makes this Under Counter Drinking Water Filter so Special

      • As effective as a Reverse Osmosis water filter system
      • Does not remove minerals from your water like Reverse Osmosis water filters
      • Takes up far less under counter space than other Under Counter water filters
      • Removes/reduces fluoride and over 200 water contaminants
      • Tested by an independent, certified third-party lab
      • No power required!
      • Long-lasting filter life (up to 1 year)
      • Easy to replace filter element

    Need something more portable? This filter is available in a Countertop style.  

    Third-Party Test Results

    Tested by a Third-Party Lab

    This filter was tested by a certified lab. Read the Test Results for the Propur Under Counter Water Filter System here

    FAQs

    Frequently Asked Questions

    1. How do I know when to replace my filter cartridge?
        • When the flow rate diminishes.
        • When you notice a change in taste or odor.
        • Approaching a years’ usage.
      2. What if I don’t use the system for an extended period of time?
        • We recommend you drain your system and remove the filter element.
        • When ready to use, just reinstall the filter and flush for about 3 minutes before use.
      3. How long will my filter last before needing to be replaced?
        • The actual life expectancy of your filter will vary depending on the specific chemistry and level of contaminants present in your water source.
        • We recommend you replace your filter every 9-12 months. 
      Return Policy

      Return Policy:

      If not satisfied, return the filter in the original packaging within 30 days of receipt for a full refund less return shipping costs.

      Shipping

      Shipping Information:

      Ships FREE via UPS and typically arrives in 3-6 business days.

      Have more questions? Call us at 1-800-221-5109 or email us.

       

      Visit product page
    1. Propur Countertop Water Filter System
      Quick shop

      Free Shipping

      Do you want the cleanest water with the convenience of a countertop system? Choose the Propur Countertop Water Filter System with the Promax filter.

      This filter uses leading edge technology to reduce and remove a broad range of over 200 contaminants including:

        • VOCs
        • Lead
        • Fluoride
        • Heavy metals
        • Pesticides
        • SVCs
        • Water disinfectants - Chlorine & Chloramine
        • Inorganic non-metallics
        • Herbicides
        • Pharmaceuticals
        • PFOA
        • PFOS
        • Micro-organisms

      The advanced Promax filter technology is effective at removing contaminants that previously required a reverse osmosis and carbon filter system!

      Tested by a certified third-party lab to meet NSF 42, NSF 53, and NSF P231 standards.

      Installs in a few minutes. Read the installation instructions. Requires a standard faucet (one without a pull-out sprayer).

      Features of the Propur Countertop System - Promax PMC-3000

        • Single stage design
        • Premium quality housing and fittings
        • Fits most faucets with removable aerator
        • Optional adapter available for most other faucet types
        • ABS plastic housing - BPA & BPS free
        • No power required
        • Easy to replace filter element
        • Includes a diverter valve allowing you to switch between filtered and direct faucet water
        • Dimensions: 4.75" x 4.75" x 12.5"
        • Flow rate: 0.2 - 1.0 gallons/min
        • Filter life: up to 1 year
        • 1 year warranty
        • Made in the USA

      What Makes this Countertop Drinking Water Filter so Special

        • As effective as a Reverse Osmosis water filter system
        • Installs in minutes; click to read installation instructions here
        • Does not remove minerals from your water like Reverse Osmosis water filters
        • Portable, take it with you when you move
        • Removes/reduces fluoride and over 200 water contaminants
        • Tested by an independent, certified third-party lab
        • Long-lasting filter life (up to 1 year)

      Also available in an Under Counter style.  

      Third-Party Test Results

      Tested by a Third-Party Lab

      This filter was tested by a certified lab. Read the Test Results for the Propur Countertop Water System here

      FAQs

      Frequently Asked Questions

      1. How do I know when to replace my filter cartridge?

          • When the flow rate diminishes.
          • When you notice a change in taste or odor.
          • Approaching a years’ usage.

        2. What if I don’t use the system for an extended period of time?

          • We recommend you drain your system and remove the filter element.
          • When ready to use, just reinstall the filter and flush for about 3 minutes before use.

        3. How long will my filter last before needing to be replaced?

          • The actual life expectancy of your filter will vary depending on the specific chemistry and level of contaminants present in your water source.
          • We recommend you replace your filter every 9-12 months.
        Return Policy

        Return Policy:

        If not satisfied, return the filter in the original packaging within 30 days of receipt for a full refund less return shipping costs.

        Shipping

        Shipping Information:

        Ships FREE via UPS and typically arrives in 3-6 business days.

        Have more questions? Call us at 1-800-221-5109 or email us.

         

        Visit product page
      1. Austin Springs Countertop Water Filter System
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        Sold out
        Sold out

        Free Shipping

        This Austin Springs Countertop Water Filter is third-party certified by NSF to remove 60 contaminants including chlorine and chloramines, VOC’s including TTHM’s, lead, mercury, and MTBE.

        Installs easily without a plumber by attaching to your existing standard faucet. Requires a standard faucet without a pull-out sprayer. 

        Long lasting filter life (6 months). Simple to use: a diverter attaches to your faucet to deliver filtered water on demand right at your tap. 

        Made in the USA.

        5 Star Rating from Customers 

        This filter reduces and removes a broad range of contaminants including:

          • VOCs
          • Lead
          • Mercury
          • Chlorine
          • Chloramine
          • MTBE (gasoline additive)

        Tested by a certified third-party lab to meet NSF 42 and NSF 53 standards.

        Installs in a few minutes. Requires a standard faucet (one without a pull-out sprayer).

        Features of the Austin Springs Countertop System

          • 2 stage carbon/ion exchange
          • Fits most faucets with removable aerator
          • No power required
          • Easy to replace filter element
          • Includes a diverter valve allowing you to switch between filtered and direct faucet water
          • NSF certified to remove 60 contaminants
          • Dimensions: 12" tall x 7" wide x 4" deep
          • Filter Life: 6 months/400 gallons
          • Filter Cost: $29.99
          • Flow Rate: 0.5 GPM
          • Made in the USA

        What Makes this Countertop Drinking Water Filter so Special

          • Great value
          • Installs in minutes
          • Portable, take it with you when you move
          • Tested by an independent, certified third-party lab
          • Long-lasting filter life (up to 6 months)

        Also available in an Under Counter style.  

        Third-Party Test Results

        Tested by a Third-Party Lab

        This filter was tested by a certified lab. Read the Test Results for the Austin Springs Countertop Water Filter System here.

          Return Policy

          Return Policy:

          If not satisfied, return the filter in the original packaging within 30 days of receipt for a full refund less return shipping costs.

          Shipping

          Shipping Information:

          Ships FREE via USPS and typically arrives in 3-6 business days.

          Have more questions? Call us at 1-800-221-5109 or email us.

           

          Visit product page
        • Austin Springs Under Counter Water Filter System
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          On sale

          Free Shipping

          This Austin Springs Under Counter Water Filter is third-party certified by NSF to remove 60 contaminants including chlorine and chloramines, VOC’s including TTHM’s, lead, mercury, and MTBE.

          Includes a stylish faucet in your choice of Chrome or Brushed Nickel finish.

          Requires plumber or handy homeowner with plumbing skills. It's about a one-hour installation job and requires about 1/4 of the space under your kitchen sink.

          Long lasting filter life (6 months). 

          Made in the USA.

          5 Star Rating from Customers 

          This filter reduces and removes a broad range of contaminants including:

            • VOCs
            • Lead
            • Mercury
            • Chlorine
            • Chloramine
            • MTBE (gasoline additive)

          Tested by a certified third-party lab to meet NSF 42 and NSF 53 standards.

          Features of the Austin Springs Countertop System

            • 2 stage carbon/ion exchange
            • No power required
            • Easy to replace filter element
            • NSF certified to remove 60 contaminants
            • Filter Life: 6 months/400 gallons
            • Filter Cost: $29.99
            • Flow Rate: 0.5 GPM
            • Made in the USA

          What Makes this Countertop Drinking Water Filter so Special

            • Great value
            • Tested by an independent, certified third-party lab
            • Long-lasting filter life (up to 6 months)

          Also available in a Countertop style.  

          Third-Party Test Results

          Tested by a Third-Party Lab

          This filter was tested by a certified lab. Read the Test Results for the Austin Springs Under Counter Water Filter System here.

            Return Policy

            Return Policy:

            If not satisfied, return the filter in the original packaging within 30 days of receipt for a full refund less return shipping costs.

            Shipping

            Shipping Information:

            Ships FREE via USPS and typically arrives in 3-6 business days.

            Have more questions? Call us at 1-800-221-5109 or email us.

             

            Visit product page
          • Propur Water Pitcher Filter - Fruit Infused 60 oz.
            Quick shop
            On sale

            Free Shipping

            Do you want the best water pitcher filter? The Propur Water Pitcher Filter is the only pitcher filter that is as effective as counter top and under counter water filters at removing toxic substances from your water. Plus, this pitcher comes with an easy to use fruit infusion tube! 

            The Propur Water Pitcher Filter works with just about any water source including tap water, lake, river, stream, pond, and rainwater. Not only is a great way to filter your tap water at home, it is also ideal for camping. 

            The Propur Water Pitcher Filter comes with one ProOne G2.0 M filter and is perfect for home, office, dorms, vacation, or camping. This filter is fully tested, documented and NSF component certified filter element. 

            Made in the USA.

            This filter is independently tested and certified to reduce and remove a broad range of over 200 contaminants including:

              • VOCs
              • Lead
              • Fluoride
              • Heavy metals
              • Pesticides
              • SVCs
              • Disinfectants (ex. Chlorine, Chloramine)
              • Inorganic non-metallics
              • Herbicides
              • Pharmaceuticals
              • PFOA
              • Micro-organisms

            This filter technology is as effective at removing contaminants as a reverse osmosis water filter system.

            Tested by a certified third-party lab to meet NSF 42, NSF 53, and NSF P231 standards. See lab test results below. 

            Features of the Propur Water Pitcher Filter

              • 1.55 liter filtered water capacity 
              • BPA-free plastic
              • Easy to use fruit infusion tube
              • Includes one ProOne® G2.0 M filter 
              • Simple to assemble and use
              • Filter life: up to 6 months
              • Made in the USA

            What Makes this Water Filter so Special

              • As effective as a Reverse Osmosis water filter system
              • Does not remove minerals from your water like Reverse Osmosis water filters
              • Portable
              • Removes/reduces fluoride and over 200 water contaminants
              • Tested by an independent, certified third-party lab
              • No priming required
              • Easy to clean

            See why Propur Water Pitcher Filter is our top rated pick compared to other certified gravity water pitchers. Propur's filter lasts longer and it removes 10 times more contaminants than Brita, ZERO, and Mavea. Plus, it's effective at reducing Fluoride.

            Third-Party Test Results

            Tested by a Third-Party Lab

            This filter was tested by a certified lab. Read the test results.

             

              Return Policy

              Return Policy:

              If not satisfied, return the filter in the original packaging within 30 days of receipt for a full refund less return shipping costs.

              Shipping

              Shipping Information:

              Ships FREE via UPS and typically arrives in 3-6 business days.

              Have more questions? Call us at 1-800-221-5109 or email us.

               

              Visit product page
            • Propur Water Filter Container - Model Scout 55 oz.
              Quick shop

              Free Shipping

              Do you want the best? The Scout is small, easily portable, and made of high-quality stainless steel. Propur is the only gravity filter that is as effective as counter top and under counter water filters at removing contaminants from your water

              Plus, the Propur water filter system works with just about any water source including tap water, lake, river, stream, pond, and rainwater. Not only is a great way to filter your tap water at home, it is also ideal for camping. 

              The Scout filter comes with one 5" filter (SlimLine ProOne G2.0 filter) and is the perfect portable filter to take with you to the office, on vacation or camping. This filter is the only fully tested, documented and NSF component certified gravity filter element. 

              Made in the USA.

              This filter is independently tested and certified to reduce and remove a broad range of over 200 contaminants including:

                • VOCs
                • Lead
                • Fluoride
                • Heavy metals
                • Pesticides
                • SVCs
                • Disinfectants (ex. Chlorine, Chloramine)
                • Inorganic non-metallics
                • Herbicides
                • Pharmaceuticals
                • PFOA
                • Micro-organisms

              This filter technology is as effective at removing contaminants as a reverse osmosis water filter system.

              Tested by a certified third-party lab to meet NSF 42, NSF 53, and NSF P231 standards. See lab test results below. 

              Features of the Propur Stainless Steel Gravity Water Filter

                • Small and portable design 
                • 55 oz. water storage capacity 
                • High quality 304 polished stainless steel 
                • Dimensions: 4.5" X 14"
                • Includes one ProOne® G2.0 5" SLIMLINE filter 
                • Easy to pour - NO spigot required 
                • Simple to assemble and use
                • Filter life: up to 6 months
                • Made in the USA

              What Makes this Water Filter so Special

                • As effective as a Reverse Osmosis water filter system
                • Does not remove minerals from your water like Reverse Osmosis water filters
                • Portable
                • Removes/reduces fluoride and over 200 water contaminants
                • Tested by an independent, certified third-party lab
                • No priming required
                • Easy to clean
              Third-Party Test Results

              Tested by a Third-Party Lab

              This filter was tested by a certified lab. Read the test results.

               

              About Total Dissolved Solids (TDS)

              Does TDS measure water quality?

              The answer is no. A TDS meter simply measures dissolved solids in water, NOT dissolved contaminants. A higher TDS can simply be high calcium or mineral content.

              A TDS meter is not recognized in the industry as a proper means of testing water for contaminants. They were created years ago by the manufacturers of reverse osmosis systems as a means of demonstrating the effectiveness of RO which removes most if not all minerals.

                Return Policy

                Return Policy:

                If not satisfied, return the filter in the original packaging within 30 days of receipt for a full refund less return shipping costs.

                Shipping

                Shipping Information:

                Ships FREE via UPS and typically arrives in 3-6 business days.

                Have more questions? Call us at 1-800-221-5109 or email us.

                 

                Visit product page
              • Propur Water Filter Container - Model Traveler 1.75 Gallons
                Quick shop

                Free Shipping

                Do you want the best? The Traveler has a 1.75-gallon capacity and is made of high-quality stainless steel. Propur is the only gravity filter that is as effective as counter top and under counter water filters at removing contaminants from your water

                Plus, the Propur water filter system works with just about any water source including tap water, lake, river, stream, pond, and rainwater. Not only is a great way to filter your tap water at home, it is also ideal for camping. 

                The Traveler filter comes with one 5" filter (ProOne G2.0 filter). This filter is the only fully tested, documented and NSF component certified gravity filter element. 

                Made in the USA.

                This filter is independently tested and certified to reduce and remove a broad range of over 200 contaminants including:
                  • VOCs
                  • Lead
                  • Fluoride
                  • Heavy metals
                  • Pesticides
                  • SVCs
                  • Disinfectants (ex. Chlorine, Chloramine)
                  • Inorganic non-metallics
                  • Herbicides
                  • Pharmaceuticals
                  • PFOA
                  • Micro-organisms

                This filter technology is as effective at removing contaminants as a reverse osmosis water filter system.

                Tested by a certified third-party lab to meet NSF 42, NSF 53, and NSF P231 standards. See lab test results below. 

                Features of the Propur Stainless Steel Gravity Water Filter

                  • 1.75-gallon water storage capacity 
                  • High quality 304 polished stainless steel
                  • Solid 304 Stainless Steel spigot
                  • Dimensions: 9.5" X 17"
                  • Includes one 5" ProOne® G2.0 filter 
                  • Simple to assemble and use
                  • Filter life: up to 6 months
                  • Made in the USA

                What Makes this Water Filter so Special

                  • As effective as a Reverse Osmosis water filter system
                  • Does not remove minerals from your water like Reverse Osmosis water filters
                  • Removes/reduces fluoride and over 200 water contaminants (see lab reports below)
                  • Tested by an independent, certified third-party lab
                  • No priming required
                  • Easy to clean
                Third-Party Test Results

                Tested by a Third-Party Lab

                This filter was tested by a certified lab. Read the test results.

                 

                About Total Dissolved Solids (TDS)

                Does TDS measure water quality?

                The answer is no. A TDS meter simply measures dissolved solids in water, NOT dissolved contaminants. A higher TDS can simply be high calcium or mineral content.

                A TDS meter is not recognized in the industry as a proper means of testing water for contaminants. They were created years ago by the manufacturers of reverse osmosis systems as a means of demonstrating the effectiveness of RO which removes most if not all minerals.

                  Return Policy

                  Return Policy:

                  If not satisfied, return the filter in the original packaging within 30 days of receipt for a full refund less return shipping costs.

                  Shipping

                  Shipping Information:

                  Ships FREE via UPS and typically arrives in 3-6 business days.

                  Have more questions? Call us at 1-800-221-5109 or email us.

                   

                   

                  Visit product page
                • Propur Water Filter Container - Model Nomad 2.1 Gallons
                  Quick shop

                  Free Shipping

                  Do you want the best? The Nomad has a 2.1-gallon capacity and is made of high-quality stainless steel. Propur is the only gravity filter that is as effective as counter top and under counter water filters at removing contaminants from your water

                  Plus, the Propur water filter system works with just about any water source including tap water, lake, river, stream, pond, and rainwater. Not only is a great way to filter your tap water at home, it is also ideal for camping. 

                  The Nomad water filter allows you to add more than one filter. While the Nomad filter comes with one 5" ProOne G2.0 filter, you can add an additional 5" filter or upgrade to 7" filters for a faster flow rate and higher water volume. The Propur G2.0 filter is the only fully tested, documented and NSF component certified gravity filter element. 

                  Made in the USA.

                  This filter is independently tested and certified to reduce and remove a broad range of over 200 contaminants including:
                    • VOCs
                    • Lead
                    • Fluoride
                    • Heavy metals
                    • Pesticides
                    • SVCs
                    • Disinfectants (ex. Chlorine, Chloramine)
                    • Inorganic non-metallics
                    • Herbicides
                    • Pharmaceuticals
                    • PFOA
                    • Micro-organisms

                  This filter technology is as effective at removing contaminants as a reverse osmosis water filter system.

                  Tested by a certified third-party lab to meet NSF 42, NSF 53, and NSF P231 standards. See lab test results below. 

                  Features of the Propur Stainless Steel Gravity Water Filter

                    • 2.1-gallon water storage capacity 
                    • High quality 304 polished stainless steel
                    • Solid 304 Stainless Steel spigot
                    • Dimensions: 9" X 19.5"
                    • Includes one 5" ProOne® G2.0 filter, although you may upgrade to two 5" filters or further upgrade to 7" filters for faster flow
                    • Simple to assemble and use
                    • Filter life: up to 6 months with 1 filter and up to 1 year with 2 filters
                    • Made in the USA

                  What Makes this Water Filter so Special

                    • As effective as a Reverse Osmosis water filter system
                    • Does not remove minerals from your water like Reverse Osmosis water filters
                    • Removes/reduces fluoride and over 200 water contaminants (see lab reports below)
                    • Tested by an independent, certified third-party lab
                    • No priming required
                    • Easy to clean
                  Third-Party Test Results

                  Tested by a Third-Party Lab

                  This filter was tested by a certified lab. Read the test results.

                   

                  About Total Dissolved Solids (TDS)

                  Does TDS measure water quality?

                  The answer is no. A TDS meter simply measures dissolved solids in water, NOT dissolved contaminants. A higher TDS can simply be high calcium or mineral content.

                  A TDS meter is not recognized in the industry as a proper means of testing water for contaminants. They were created years ago by the manufacturers of reverse osmosis systems as a means of demonstrating the effectiveness of RO which removes most if not all minerals.

                    Return Policy

                    Return Policy:

                    If not satisfied, return the filter in the original packaging within 30 days of receipt for a full refund less return shipping costs.

                    Shipping

                    Shipping Information:

                    Ships FREE via UPS and typically arrives in 3-6 business days.

                    Have more questions? Call us at 1-800-221-5109 or email us.

                     

                    Visit product page
                  • Propur Water Filter Container - Model Big 2.75 Gallons
                    Quick shop

                    Free Shipping

                    Do you want the best? The Big has a 2.75-gallon capacity and is made of high-quality stainless steel. Propur is the only gravity filter that is as effective as counter top and under counter water filters at removing contaminants from your water

                    Plus, the Propur water filter system works with just about any water source including tap water, lake, river, stream, pond, and rainwater. Not only is a great way to filter your tap water at home, it is also ideal for camping. 

                    The Propur Big water filter allows you to add a third filter. While the Big filter comes with two 7" ProOne G2.0 filters, you can add an additional 7" filter for even faster flow rate and higher water volume. The Propur G2.0 filter is the only fully tested, documented and NSF component certified gravity filter element. 

                    Made in the USA.

                    This filter is independently tested and certified to reduce and remove a broad range of over 200 contaminants including:
                      • VOCs
                      • Lead
                      • Fluoride
                      • Heavy metals
                      • Pesticides
                      • SVCs
                      • Disinfectants (ex. Chlorine, Chloramine)
                      • Inorganic non-metallics
                      • Herbicides
                      • Pharmaceuticals
                      • PFOA
                      • Micro-organisms

                    This filter technology is as effective at removing contaminants as a reverse osmosis water filter system.

                    Tested by a certified third-party lab to meet NSF 42, NSF 53, and NSF P231 standards. See lab test results below. 

                    Features of the Propur Stainless Steel Gravity Water Filter

                      • 2.75-gallon water storage capacity 
                      • High quality 304 polished stainless steel
                      • Solid 304 Stainless Steel spigot
                      • Dimensions: 9.25" x 21.5"
                      • Includes two 7" ProOne® G2.0 filters, although you may upgrade to three 7" filters for faster flow
                      • Simple to assemble and use
                      • Filter life: up to 1 year
                      • Made in the USA

                    What Makes this Water Filter so Special

                      • As effective as a Reverse Osmosis water filter system
                      • Does not remove minerals from your water like Reverse Osmosis water filters
                      • Removes/reduces fluoride and over 200 water contaminants (see lab reports below)
                      • Tested by an independent, certified third-party lab
                      • No priming required
                      • Easy to clean
                    Third-Party Test Results

                    Tested by a Third-Party Lab

                    This filter was tested by a certified lab. Read the test results.

                     

                    About Total Dissolved Solids (TDS)

                    Does TDS measure water quality?

                    The answer is no. A TDS meter simply measures dissolved solids in water, NOT dissolved contaminants. A higher TDS can simply be high calcium or mineral content.

                    A TDS meter is not recognized in the industry as a proper means of testing water for contaminants. They were created years ago by the manufacturers of reverse osmosis systems as a means of demonstrating the effectiveness of RO which removes most if not all minerals.

                      Return Policy

                      Return Policy:

                      If not satisfied, return the filter in the original packaging within 30 days of receipt for a full refund less return shipping costs.

                      Shipping

                      Shipping Information:

                      Ships FREE via UPS and typically arrives in 3-6 business days.

                      Have more questions? Call us at 1-800-221-5109 or email us.

                       

                      Visit product page
                    • Propur Water Filter Container - Model King 4.0 Gallons
                      Quick shop

                      Free Shipping

                      Do you want the best? The Propur King has a 4.0-gallon capacity and is made of high-quality stainless steel. Propur is the only gravity filter that is as effective as counter top and under counter water filters at removing contaminants from your water

                      Plus, the Propur water filter system works with just about any water source including tap water, lake, river, stream, pond, and rainwater. Not only is a great way to filter your tap water at home, it is also ideal for camping. 

                      The Propur King water filter allows you to add two additional filters. While the King filter comes with two 9" ProOne G2.0 filters, you can add two additional 9" filters for even faster flow rate and higher water volume. The Propur G2.0 filter is the only fully tested, documented and NSF component certified gravity filter element. 

                      Made in the USA.

                      This filter is independently tested and certified to reduce and remove a broad range of over 200 contaminants including:
                        • VOCs
                        • Lead
                        • Fluoride
                        • Heavy metals
                        • Pesticides
                        • SVCs
                        • Disinfectants (ex. Chlorine, Chloramine)
                        • Inorganic non-metallics
                        • Herbicides
                        • Pharmaceuticals
                        • PFOA
                        • Micro-organisms

                      This filter technology is as effective at removing contaminants as a reverse osmosis water filter system.

                      Tested by a certified third-party lab to meet NSF 42, NSF 53, and NSF P231 standards. See lab test results below. 

                      Features of the Propur Stainless Steel Gravity Water Filter

                        • 2.75-gallon water storage capacity 
                        • High quality 304 polished stainless steel
                        • Solid 304 Stainless Steel spigot
                        • Dimensions: 11" x 23.25"
                        • Includes two 9" ProOne® G2.0 filters, although you may upgrade to four 9" filters for faster flow
                        • Simple to assemble and use
                        • Filter life: up to 1 year
                        • Made in the USA

                      What Makes this Water Filter so Special

                        • As effective as a Reverse Osmosis water filter system
                        • Does not remove minerals from your water like Reverse Osmosis water filters
                        • Removes/reduces fluoride and over 200 water contaminants (see lab reports below)
                        • Tested by an independent, certified third-party lab
                        • No priming required
                        • Easy to clean
                      Third-Party Test Results

                      Tested by a Third-Party Lab

                      This filter was tested by a certified lab. Read the test results.

                       

                      About Total Dissolved Solids (TDS)

                      Does TDS measure water quality?

                      The answer is no. A TDS meter simply measures dissolved solids in water, NOT dissolved contaminants. A higher TDS can simply be high calcium or mineral content.

                      A TDS meter is not recognized in the industry as a proper means of testing water for contaminants. They were created years ago by the manufacturers of reverse osmosis systems as a means of demonstrating the effectiveness of RO which removes most if not all minerals.

                        Return Policy

                        Return Policy:

                        If not satisfied, return the filter in the original packaging within 30 days of receipt for a full refund less return shipping costs.

                        Shipping

                        Shipping Information:

                        Ships FREE via UPS and typically arrives in 3-6 business days.

                        Have more questions? Call us at 1-800-221-5109 or email us.

                         

                        Visit product page
                      • Aquasana Under Counter Reverse Osmosis Water Filter - AQ-RO3
                        Quick shop
                        Sold out
                        Sold out

                        We're sold out, so buy the Aquasana 4 stage Reverse Osmosis (RO) system directly from the manufacturer by clicking here.

                        If you want to remove fluoride, nitrate, arsenic and other hard to remove contaminants and want the convenience of a separate faucet with the cleanest water possible, this is one of your options.

                        Your other option is a new water filter that changes everything! The Propur Promax Countertop and Propur Promax Under Counter Water Filter Systems. These water filters perform as well as an RO system with a much lower cost. Learn more here

                        The Aquasana Reverse Osmosis (RO) Water Filter System carries NSF 42, 53, and 58 certifications and is certified by NSF to remove 74 contaminants. Aquasana uses their “Claryum” filtration technology to remove chlorine and chloramines, VOC’s including TTHM’s, lead, mercury, MTBE; and the RO filter to remove arsenic, fluoride, nitrate and nitrite, radium 226/228, and the other “RO only” contaminants.

                        Made in the USA.

                        Why NSF Certifications are Important

                        If you are evaluating other Reverse Osmosis water filter systems, be sure to ask if the filters have certifications for 42, 53 & 58 by NSF which is an independent third party tester. Also, ask for a copy of the test report. The report will show you what percentage of each contaminant the filter removes.

                        Some systems aren't as effective as others. We selected this RO system as the best because it had three certifications by a third party and the test results were better than other systems tested. We've read hundreds of test reports and this filter's results really stood out. View the test report at the bottom of this page.

                        This RO System Remineralizes Your Water

                        Some have expressed concern that the effectiveness of RO filters causes them to remove some desirable minerals such as calcium, magnesium, and potassium from your drinking water.

                        To counteract this, Aquasana includes a “remineralization” component after the RO filter that adds these desirable minerals back into your filtered water.

                        If you'd prefer not to have an RO system remove and then remineralize your water, you have other options that are highly effective at removing contaminants. Check out the Propur Promax Countertop and Propur Promax Under Counter Water Filter Systems. These water filters perform as well as an RO system with a much lower cost. Learn more here

                        Why Choose Reverse Osmosis?

                        Reverse Osmosis filter systems offer the highest level water filtration available for home use. In addition to the activated carbon filters, a Reverse Osmosis system employs a Thin Film Composite (TFC) membrane capable of removing many toxic contaminants other methods cannot, such as Arsenic (pentavalent), Barium, Fluoride, Nitrate and Nitrite, Perchlorate, Radium 226/228, and Selenium. Reverse Osmosis filters carry their own, specific NSF certification, 58. The best systems and the only ones you should consider will also have NSF certifications 42 and 53, and remove all of the key contaminants we have been tracking in our previous filters.

                        Because of the science behind Reverse Osmosis, these systems require a separate holding tank (2-5 gallons) that you will need space for, and also produce waste water so they will need to be tied into your drain. Most systems come with “quick-connect” attachments making DIY installation possible, but it will be more involved than a regular under the counter filter and you will probably need a plumber. It's typically a 1-2 hour job.

                        • Filter Life: 6 months-2 years
                        • Filter Cost: $23.99-$64.99
                        • Filter Media: carbon, ion exchange/RO
                        • Flow Rate: 0.5 GPM

                        Have more questions? Call us at 1-800-221-5109 or email us.

                        Want to see the Aquasana RO system test results? Click here for the full test report!
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                      • Sport Water Filtration Bottle
                        Quick shop

                        Want a water bottle that filters water as you drink? Try the Propur Sport Filtration Water Bottle. 

                        Use it while traveling, at the gym or office or camping in the backcountry. Great way to reduce bottled water waste! 

                        It's tested to remove 99.9% of Giardia and Cryptosporidium, and its activated coconut shell carbon reduces toxic chemicals, heavy metals, microscopic pathogens, chlorine, sediment, and dirt - so it's safe to use everywhere from the backcountry to the office. 

                        The MiraGuard antimicrobial technology even keeps the filter clean and free of mold, so you can be sure that whether you're using tap water or river water, you're drinking the freshest water around.

                        The AV Ultra Lite Filtration Sport Bottle is made from the highest quality, premium materials. The new flip-up straw top makes it easy to drink out of when you're on the go - on the trails, on the golf course, at the gym, or just around town.  

                        Best of all, there's no need to squeeze the AV Ultra Lite to force water up thru the filter to the straw. Also, throw it in the dishwasher to clean. The filter is good for 100 gallons of pure drinking water. 

                        • Reduces chlorine, sediment, and dirt
                        • Miraguard™ antimicrobial technology
                        • Micron 3 rated activated coconut shell carbon filter
                        • Made in the USA

                        Bottle Specs:

                        • Lightweight Tritan™ plastic
                        • Slim design makes the bottle easy to hold while you run or workout
                        • Straw top for easy drinking (not safe for children under 4 years old)
                        • Made from 100% Recyclable materials
                        • Free of BPA, phthalates, lead, leaching chemicals
                        • Dishwasher safe
                        • Bottle dimensions: 3 inches wide at base, 9.5 inches tall - 25 oz capacity
                        • 100-gallon filter included
                        Return Policy

                        Return Policy:

                        If not satisfied, return the filter in the original packaging within 30 days of receipt for a full refund less return shipping costs.

                        Shipping

                        Shipping Information:

                        Shipping charges: $5.99 flat rate per order with free shipping for orders over $50.

                        Ships via UPS and typically arrives in 3-6 business days. 

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