Multipure MP750 Inline Drinking Water System NSF-Certified Performance  Standards 42 and 53 Replaceable Carbon Block Filter  Rated 750 Gal. Economical to Own  9 Cents per Gallon Lifetime Warranty, 90-Day Money-Back Guarantee, and Lowest Price Guarantee It will not hook to your main faucet it needs a separate faucet intended for a water filter