The EZ-FLO® ceramic this cartridge for kitchen faucets has a reliable mechanism that allows water to flow properly or shuts it down with a watertight seal. Ceramic discs are polished to perfection, blocking any line debris, mineral build-up and other components that affect the life of the valve. Faucets equipped with ceramic disc cartridges are more durable than their counterparts, maintenance-free and long-term dependable. It is Lead-Free certified for safe water drinking. This cartridge is designed to fit specific EZ-FLO® kitchen faucets (Please see the Related Products section of this page).