Hydro Life 52645 300 Series Model 350 Carbon/KDF Filter Cartridge Ideal for steamers and ice machines, 2.5 GPM flow rate Keeps ice and beverage equipment operating efficiently and reduces maintenance costs Premium carbon filter Cartridge for use in Hydro Life 300 Series Filtration Systems Granular Activated Carbon removes rust, lead, dirt, chlorine, lime scale, unpleasant taste and bad odor from your water KDF media prevents lime scale and bacteria growth when filter is not in use