K5 Reverse Osmosis

Kinetico's best reverse osmosis drinking water system
Making contamination removal completely customizable click to learn more
Step 1


The PreFilter removes chlorine used in large-scale municipal water treatment, as well as sediment particulates down to 1/16 the diameter of a human hair.

Step 2

Reverse Osmosis Filtration

Through a process known as reverse osmosis, water is forced through a semipermeable membrane that filters inorganic contaminants like metals and nitrates.

Step 3


Revolutionary dual FlexFilters provide customizable filtration to tackle your water's individual filtration needs. Use any two of the following cartridges or none—the choice is yours.

Purefecta Guard – Removes 99.99999% of bacteria and 99.99% of viruses, generating biopure drinking water as certified by trusted third-party regulators.

Perchlorate Guard – A by-product of certain forms of manufacturing, perchlorate has been shown to have adverse effects on the thyroid and has been detected in drinking water and ground water in 35 states.

VOC Guard – Eliminates volatile organic compounds in water such as pesticides, paints, cleaning supplies and other materials.

Chloramine Guard – Significantly reduces chloramine, a chemical used to treat approximately 1/3 of US municipal water sources.

Arsenic Guard – An added layer of protection for water that has been shown to contain higher levels of arsenic (such as As III) to ensure its complete removal.

Mineral Plus – This cartridge lets you add beneficial minerals such as magnesium and calcium to your treated drinking water.

  • Purefecta Guard
  • Perchlorate Guard
  • VOC Guard
  • Chloramine Guard
  • Arsenic Guard
  • Mineral Plus
Step 4


PostFilter removes any few remaining inorganic compounds that could otherwise cause foul taste or odor.

We designed this state-of-the-art reverse osmosis system to answer even the toughest water quality challenges. When you own a K5, you know you are doing all you can to provide your family with the highest water quality at the best price.

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What makes the K5 Reverse Osmosis Drinking Water Station superior to other options?

The K5 is certified to remove more contaminants than any other reverse osmosis system. It has customizable, multistage filters to meet the specific water challenges that you face now or that you may encounter in the future. And thanks to EverClean® Rinse, the K5 uses the same high-quality water produced by the system to clean itself. This keeps it in top working order and automatically extends its life.

Kinetico K5 Drinking Water Station - Comparison Chart

What else makes the K5 so unique? It features QuickFlo® technology to deliver a strong, steady stream of high-quality water when you want it. Fact is, the K5 produces more water faster than any other comparable system so you won't need to ration or wait for your water. Plus, the K5 works efficiently with minimal waste, so it's environmentally responsible. And it does it all for pennies a gallon.

Additional features like the MACguard Filter and PureMometer® filter life indicator let you know when it's time for filter changes and prevent you from pushing the filters past their capacities. Its quick-disconnect filter cartridges make changing filters a snap.

The K5 installs under your sink or in any other convenient location of your choice and dispenses your high-quality water through a dedicated, lead-free designer faucet available in a variety of finishes to match your existing décor.

The K5 is smartly designed to be convenient and economical, provide an abundant supply of high-quality water, be easy to use and maintain, and provide the best-tasting water.

We invite you to call your local Kinetico water professional and learn more about this incredible drinking water system.

Kinetico home water systems are third-party certified to perform as promised and are backed by one of the longest and most comprehensive warranties in the industry.

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Product Highlights

K5 Reverse Osmosis Drinking Water Station

  • Convenient/Economical
    The K5 Drinking Water Station is the best way to have an abundant supply of high quality and great-tasting water for drinking, cooking and other uses.
  • FlexFiltration
    Customize your system with filters designed to tackle your individual water problems. Quick disconnect sanitary filters make filter changes easy and sanitary.
  • High Flow/High Quality
    A high performance membrane and Kinetico technology ensure the system delivers a strong flow of high quality water. You'll also get more water per day than other reverse osmosis systems.
  • Filter Life Indicator
    Shows remaining filter capacity and alerts you when a filter change is needed.
  • Automatic Shutoff
    The system shuts down when water is not needed to reduce water waste and system wear and tear.
  • Patented, Exclusive EverClean® Rinse
    Cleanses the system's membrane for consistently-high water quality, increased membrane life and reliable product performance.
  • Designer Faucet
    Drinking water is dispensed via a dedicated, attractive faucet at your sink. Faucets are available in a variety of finishes to match your décor.
  • Outstanding Warranty
    We offer the longest and most comprehensive warranty in the industry.

All of this, plus the Kinetico Difference too.

Recognized By

Water Quality Association

Quick Quote - Request One Today Free Water Test - See What's in Your Water

How Reverse Osmosis

Senior Technology Advisor, Keith Brown, and Buzz M. Brane explain how reverse osmosis technology removes impurities from your water. Watch the video.

Advantages of Kinetico Drinking Water Products

Dean Johnson, of the television series Hometime, explains how the K5 Drinking Water Station can adapt to your specific water needs over time. Watch the video.

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