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-4 Premium 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, cysts such as giardia and cryptosporidium, mercury, turbidity, particulate class I, VOC's, MTBE, and chloramines. The package includes a filter head with a built-in bracket, RC-EZ-4 Premium Filtration replacement cartridge, mounting screws, supply adapter, lead-free faucet with built-in electronic life indicator, 1/4-inch plastic tubing.