Enjoying clear crisp and delicious water for all your drinking and cooking needs has never been simpler thanks to the Culligan® family of EZ-Change Drinking Water Filters. Among them the Culligan® US-EZ-3 Advanced Under-sink Drinking Water Filter System stands out boasting a convenient twist-on twist-off mechanism quick-connect fittings and double water shut-off for ease of use and maintenance. This system doesn t just provide convenience; it also ensures top-notch water quality by reducing bad taste and odor aesthetic chlorine taste and odor sediment lead cysts such as giardia and cryptosporidium turbidity atrazine lindane and particulate class I. The package includes everything you need for installation and operation: a filter head with a built-in bracket an RC-EZ-3 Advanced Filtration replacement cartridge mounting screws a supply adapter a lead-free faucet with a built-in electronic life indicator and 1/4-inch plastic tubing. With this comprehensive system in place you can trust in the purity and safety of your water supply enhancing your overall home water experience.