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H2O RUS-100-I, Inline Single 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...

Assembled in the U.S.

Environmental Impact

Water Bottle Landfill

Use our Bottled Water Cost Calculator to find out how much of an impact you have on the environment.

Learn why filtration is better for the environment than bottled water.

Bottled Water vs Tap Water


  • Includes Pentek® CBR2-10 Replacement Cartridge
  • Pentek® CBR2-10 provides 1 Micron Absolute Carbon Block Filtration (99.9% removal) with Lead Removal.
  • RUS-100I removes Chlorine, Bad Taste, Odor, Color, and Sediment.
  • Removes Cryptosporidium and Giardia
  • System includes all components for a standard installation including 3/8" Polyethylene Tubing and everything shown in product image.
  • Connecting your system to your Refrigerator is a breeze with our
    Ice Maker Connection Kit.
  • RUS-100I uses (1) Industry Standard 10" Housing and Cartridge.
  • 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-100I will provide your family with an endless supply of water that is on par with bottled spring water.
  • 3 Year Warranty (cartridge excluded)