Reduces the following contaminants which may be found in chlorinated water: VOCs (volatile organic compounds): >95% THMs (trihalomethanes): >"95% Chlorine, Taste and Odour: 99% For use with Rainfresh models DS3, DS2, CT500, UCS2, UCS3, UCCSM and most other filter models with flow rate adjusted to 0.75 gpm Cartridge Life (Approx.): 6 months or 600 gallons/2270 litres Life is directly dependent on water conditions and volume of water filtered Excessive sediment may cause more frequent replacement This cartridge may be used on disinfected water that may contain filterable cysts Use on cold water supply only