Katadyn Unisex Combi Ceramic Replacement Cartridge Water Perfication Kit Katadyn Combi Replacement Element Ceramic 8013622 Katadyn Combi Replacement Element Ceramic 8013622 Exclusive 13,000 gallon capacity with cleanable silver impregnated ceramic element Replaceable activated carbon reduces chemicals An excellent choice for multi-function use. Faucet adaptor kit (for homes, boats, cabins, etc) available