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H2O RUS-300, Triple Housing Under Sink Filter

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Filtered Water Benefits the Whole Family

Quick-Connect Guide:

Quick-Connect FittingsTubing connection has never been easier than with Quick-Connect fittings. View our simplified Quick-Connect diagrams to see how...

Faucet Options:

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Assembled in the U.S.

Environmental Impact

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Bottled Water vs Tap Water


  • Includes Pentek® CBR2-10R and GAC/KDF Replacement Cartridges
  • Pentek® CBR2-10R provides 1 Micron Absolute Carbon Block Filtration (99.9% removal) with Lead Removal.
  • GAC/KDF Cartridge uses 80% Granular Activated Carbon by volume and 20% Patented KDF Media for removal of chlorine, chemical contaminants and heavy metals. KDF is a bacteriostatic media.
  • 5 Micron Melt Blown Polypropylene Sediment Cartridge is used to remove excessive sediment from water and protect the other cartridges from getting clogged with dirt, rust or other turbidity.
  • RUS-300 removes Chlorine, Bad Taste, Odor, Color, and Features Enhanced Sediment Removal Capacity.
  • Removes Cryptosporidium and Giardia cysts.
  • Reduces Volatile Organic Compounds (VOC's) and Trihalomethanes (THM's).
  • Bacteriostatic Media Prevents Bacteria Growth within the unit
  • Drinking Water Faucet provides all the water your family will need for drinking, cooking, ice, and beverages.
  • System includes everything needed for installation including 1/4" Tubing and everything shown in product image.
  • Connecting your system to your Refrigerator is a breeze with our
    Ice Maker Connection Kit.
  • RUS-300 uses (3) industry standard 10" Housings and Cartridges.
  • Replacement Cartridges are available below or from water companies and retail stores everywhere.
  • Market forces keep standard cartridge prices low. Systems that that use proprietary cartridges cost more.
  • Keep your options open. In a standard system like this one, when new technology becomes available you can always upgrade your cartridges without having to invest in a whole new system.
  • The RUS-300 will provide your family with an endless supply of water that is on par with bottled spring water.
  • 3 Year Warranty (cartridges excluded)
H2O-RUS-300 Specifications
Max. Capacity 2,500 gal. Recommended Flow 0.75 - 1.5 GPM
Product Dimensions 12" × 10½" Shipping Weight 8¾ lbs.
Recommended Filter Replacement once per year replacement instructions