Clear clean great-tasting water for drinking and cooking is easier to achieve than ever before with the Culligan® family of EZ-Change Drinking Water Filters. The Culligan® US-EZ-3 Advanced Under-sink Drinking Water Filter System features a twist-on twist-off mechanism quick-connect fittings and double water shut-off. The filter reduces bad taste & odor aesthetic chlorine taste & odor sediment lead and cysts such as giardia & cryptosporidium turbidity atrazine lindane and particulate class I. The package includes filter head with built in bracket RC-EZ-3 Advanced Filtration replacement cartridge mounting screws supply adapter lead-free faucet with built-in electronic life indicator 1/4-inch plastic tubing.