Product Description Advanced EZ Change system provides clear, clean, great-tasting water for drinking and cooking to a dedicated faucet. The included RC-EZ-3 Advanced filtration cartridge can filter 500 gallons and last up to 6 months. Avoid the mess of changing traditional cartridges and eliminates the need for buckets, towels, wrenches, and other tools. Tubing and installation hardware is included. A built-in LED filter life indicator takes the guess work out of when to change your filters. From the Manufacturer The Culligan under sink drinking water system includes filter head with built In bracket, RC-EZ-3 cartridge, mounting screws, supply adapter, lead free faucet with built in electronic cartridge life indicator and 1/4-inch plastic tubing, 6 months/500 gallons filter life. The filter features a twist on, twist off mechanism, quick connect fittings, double water shut off. The filter reduces bad taste and odor, chlorine taste and odor, sediment, lead, cysts such as cryptosporidium & giardia, turbidity, atrazine, lindane. The filter is NSF certified and has a 5-year warranty.