H2O International US4-13 Under Sink Water Filter

$184.00 - $199.00

Qty Price Ea.
3 $194.00
6 $189.00
12 + $184.00
Price Per Unit
H2O-US4-13$184.00 - $199.00
$184.00 - $199.00
  • Filtered Water From Your Existing Faucet
  • Granular Carbon & KDF 55 Media
  • Inline Under Sink System
  • Maintenance Free for 3 Years
  • Replacement for NSA 100S & NSA 100SX
  • Includes Pressure Reducing Valve

The H2O US4-13 under sink filter replaces and is a retro fit for the discontinued NSA 100S. This model is also an excellent replacement for the now discontinued NSA 100SX. The US4-13 uses the same size tubing and the fittings as both the NSA models.

This system connects inline with your existing sink faucet and flows up to 2 gallons per minute. The filter will remove chlorine, bad taste, odor, lead and trace chemical contaminants from your family’s water.

Our company has been offering this model for over 20 years, and we have thousands of happy customers using this system. It’s our most popular under sink filter!

Your Family will Benefit from Healthy, Clean Water
Great Tasting Water, Coffee & Tea
Healthy Water for Cooking
Endless Supply of Water
Never Runs Out
Pure Water for Ice
Improve Pet Health with Filtered Water
Save Money over Bottled Water


  • Removes Chlorine, Bad Taste, Odor and Lead
  • Removes Dirt, Rust & Sediment
  • Bacteriostatic KDF Media Prevents Bacteria Growth within the Unit
  • Includes Tubing, Fittings and Instructions
  • 3 Years of Maintenance Free Performance
  • Made in the U.S.A.
Removes ChlorineRemoves Lead
Media in This System:
GAC Media
Granular Activated Carbon Removes Chlorine, Bad, Taste and Odor and Chemical Contaminants.
KDF Media
KDF Media Removes Lead and Inhibits Bacteria Growth from within the unit.
Under Sink Cutaway Diagram

View a cutaway diagram of typical under sink filter to see how it filters your water.

Welcome to H2O Distributors

Additional information

Weight 8 lbs
Country of Origin

H2O-US4-13 Specifications
Max Capacity: 25,000 gallons Recommended Flow: 1 - 2 GPM
Dimensions: 14" (H) × 5" (D) Unit Shipping Weight: 8.2 lbs.

H2O-US4-13 Brochure


H2O-US4-13 Installation Manual


Parts / Accessories