Roll over image to zoom in

H2O RUS-100, Single Housing Under Sink Filter

FREE Shipping with orders over $50 (details)
  In Stock
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:

Upgrade Faucet: view all styles and colors

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® CBR2-10R Replacement Cartridge
  • Pentek® CBR2-10R provides 1 Micron Absolute Carbon Block Filtration (99.9% removal) with Lead Removal.
  • RUS-100 removes Chlorine, Bad Taste, Odor, Color, and Sediment.
  • Removes Cryptosporidium and Giardia
  • Drinking Water Faucet provides all the water your family will need for drinking, cooking, coffee, tea, ice, juice and other beverages.
  • System includes all components for a standard installation including 1/4" Polyethylene Tubing and everything shown in product image.
  • Connecting your system to your Refrigerator is a breeze with our
    Ice Maker Connection Kit.
  • RUS-100 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-100 will provide your family with an endless supply of water that is on par with bottled spring water.
  • 3 Year Warranty (cartridge excluded)
Inlcuded Cartridges:
0.5 Micron Carbon Block - Removes Cryptosporidium & Giardia Cysts, Lead, Taste and Odor
Filtered Water Benefits the Whole Family
H2O-RUS-100 Specifications
Max. Capacity 2,500 gal. Recommended Flow 0.5 to 1 GPM
Product Dimensions 12" × 4½" Shipping Weight 5¾ lbs.
Recommended Filter Replacement once per year replacement instructions