WaterChef&reg; U9000 Premium Under-Sink Water Filtration System (Brushed Nickel Faucet) Surgical Stainless Steel Housing Superior Performance & Taste Powerful Big Block Filtration Technology 1,000 GALLON Rated Capacity! (For most households, that's just ONE cartridge per year!) Intelligent Monitor (No more cartridge replacement guesswork!) Tested & Certified by NSF International - NSF/ANSI Standards 42 and 53 Unsurpassed Contaminant Reduction for a Broad Range of Common Tap Water Contaminants Proprietary 3-Ply Pleated Pre-Filter for Increased Dirt Holding Capacity and Longer Cartridge Life Beneficial Minerals (such as Calcium, Magnesium and Potassium) Remain in the Water 18/8 Surgical Stainless Steel Filter Housing (Beauty and Durability!) Premium Designer Faucet with Brass Construction and Ceramic Disc Valve (NSF Standard 61 Compliant) One System Filters Both Your Faucet AND Refrigerator with Optional Refrigerator Kit (#0071) Eco-Smart and BPA Free Includes Cartridge (pre-installed) & Battery for Intelligent Monitor LIFETIME Limited Warranty (This system is built to last!) 60-Day Money-Back Guarantee Made in the USA