Omnipure K5515-BB 1/4 FPT Lead Cyst Inline Water Filter Activated carbon media reduces chlorine, cysts, and other impurities to improve the taste and quality of water for up to 1250 gallons of use Lead specific media allows the filter to reduce lead making the water safer to drink Primarily used as an inline filter for drinking water and ice Manufactured without the use of glues or binders for a smooth, reliable seal