Replacement Filter , Reduces Chlorine Taste and Odor, Cyst, Lead, Particulates, Rust, Sediment, Flow Rate 1.5 gpm, Outside Diameter 3 1/4 in, Overall Height 9 1/2 in, Service Life 1,500 gal, Filter Media Carbon, For Use With Elkay Water Coolers and Fountains with WaterSentry(R) VII Filtration System, Compatible Mfr. Model Number EWF172