Cuno HF25-S Whole House Filter Replacement Cartridge Sanitary Quick Change (SQC) encapsulated cartridge design allows for fast and easy cartridge change- Consistent great tasting brewed coffee and tea from water with reduced sediment and chlorine taste a Scale inhibitor reduces lime scale build-up on evaporator plates as tested by CUNO Made with FDA CFR-21 and/or NSF compliant materials