Clear, clean, great-tasting water for drinking and cooking is easier to achieve than ever before with the Culligan family of Direct-Connect under-sink Drinking Water Filters. The Culligan US-DC1 Under-sink Basic Drinking Water Filter System connects directly to your cold water line, features a twist-on, twist-off cartridge design for easy hassle-free cartridge change, quick-connect fittings, and double water shut-off. The filter reduces bad taste & odor, aesthetic chlorine taste & odor, and sediment right from your kitchen faucet. The US-DC1-R cartridge has a life of 6 months or 3,000 gallons. The package includes filter head with built in bracket, US-DC1-R Basic Filtration cartridge, mounting screws. The US-DC1 is certified by IAPMO R & T and has a 1-year limited warranty.