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Under Sink Reverse Osmosis

If you are looking for bottled-quality water straight from the tap, you are probably looking for an under sink reverse osmosis system. These units are commonly just called RO systems and they are the ultimate in water filtration. Reverse osmosis not only provides clean and safe water that the entire family will love, but it also saves money by eliminating the high cost of bottled water. All under sink RO systems from US Water include the drinking water faucet and filters.

Our Galaxy is the economy, no-frills model. The Aquapurion and Cobalt system use All-American Made Filters and Membranes and have 3/8” flow from the tank to the faucet. The Cobalt Hyper-Safe RO has ENHANCED Chloramine and Fluoride Removal and also uses the new Silecte Quantum Disinfection Filter which Kills Bacteria as well. Additionally, the Aquapurion and Cobalt are both available with the Non-Electric, High Pressure, Permeate Pump which is needed if you have an icemaker or just want to fill up a coffee pot quicker. If you are not sure which system is right for you, ask one of our Certified Water Specialists. We are glad to help.

Compare US Water RO Systems

  • US Water Galaxy 5-Stage Reverse Osmosis System | GX-5050

    5-Stage Economy System
    2 Year Warranty
    1/4” Flow From Tank To Faucet
    Includes faucet, filters, membrane, and all installation parts

    Regular Price: $317.00
    Sale Price: $189.95
  • US Water Aquapurion 5-Stage Reverse Osmosis System

    5-Stage Professional Grade System
    3 Year Warranty
    Full 3/8" Flow From Tank To Faucet
    High Pressure Permeate Pump Option
    Includes faucet, filters, membrane, and all installation parts

    Regular Price: $433.00
    Sale Price: $259.95
  • US Water Cobalt Hyper-Safe Reverse Osmosis System

    5-Stage Professional Purification System
    3 Year Warranty
    Full 3/8" Flow From Tank To Faucet
    High Pressure Permeate Pump Option
    Includes faucet, filters, membrane, and all installation parts

    Regular Price: $500.00
    Sale Price: $299.95
  • US Water Aquapurion 5-Stage Permeate Pump RO System

    If you have an icemaker or want higher pressure for your reverse osmosis system, then this Premium 5-Stage Permeate Pump RO is an incredible solution. Most RO systems lose 30% to 40% of their pressure in the reverse osmosis process - but not this one! You won't believe the pressure and volume. This system utilizes all NSF, WQA and FDA Certified components and can be installed neatly under your kitchen sink or remote-installed in a basement or utility room.

    Regular Price: $533.00
    Sale Price: $319.95
  • US Water Cobalt Hyper-Safe Permeate Pump Reverse Osmosis System

    5-Stage Professional Purification System
    3 Year Warranty
    Full 3/8" Flow From Tank To Faucet
    High Pressure Permeate Pump
    Includes faucet, filters, membrane, and all installation parts

    Regular Price: $600.00
    Sale Price: $359.95

If you're looking for an RO system to provide drinking water for your family, why not install one right in your kitchen? With an under sink reverse osmosis unit, you can pour clean, delicious water right from a dedicated tap. Easier to use than countertop systems that require you to switch back and forth with untreated water, under sink systems include a storage tank so you always have water ready. Check out our whole house reverse osmosis systems too!

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The Benefits of an Under Sink RO System

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How Often Do I Need to Change My Under Sink Reverse Osmosis System Filters?

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How Much Is an Under Sink RO System?

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Under Sink RO System Installation Info

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Our price is lower than the manufacturer's "minimum advertised price." As a result, we cannot show you the price in catalog or the product page.

You have no obligation to purchase the product once you know the price. You can simply remove the item from your cart.