The Replacement Filter Cartridge Plus (1-Pack) keeps your water tasting clean by reducing particulates, chlorine taste and odor, lead, mercury, cysts, asbestos and other impurities. These filters are designed for exclusive use with InSinkErator water dispensing systems and feature a sanitary quick-change design to minimize contact with used filter material. The twist-and-lock design allows for quick-and-easy filter swaps.