HydroLogic Evolution-ROS ChloraShield KDF/Catalytic Carbon Pre-Filter Garden
KDF/Catalytic Carbon Pre-Filter reduces iron, sulfur, chlorine, chloramines and heavy metals. The pre-filters double the filter life. Great for city or well water! Bacteriostatic qualities do not allow microbes to breed in filter. #728772 is 20 in x 2.5 in. 2 needed for Evolution-RO1000 system.