Culligan Basic Level Undersink Filtration System is a reliable and easy-to-use water filtration cartridge designed for under-the-sink installation. This system effectively reduces contaminants, unpleasant tastes, and odors right at your faucet, providing healthier and purified water i for drinking, cooking, and making ice. Featuring a convenient twist-on and twist-off mechanism, the filter a lifespan of up to 12 months or 3,000 gallons. The package includes a filter head with built-in brackets, a Level 1 filter cartridge (#RC-EX-1), mounting screws, a supply adapter, a lead- faucet, 1/4" plastic tubing, and a filter change reminder sticker, making installation and maintenance straightforward and hassle-. Model Number: RC-EZ-1