Hydrosorb Pump Filter Kit absorbs water and helps contain microbes that foster mold growth and fuel discoloration. Kit includes hardware to attach to the pump. Fits 3/4″ inlets and is for use with FR1210C, FR1202 and FR610 pumps.3/4″ inletsAbsorbs water and contains microbesHardware includedFits with FR1210C, FR1202 and FR610 pumps