Pentek DBC-10EX2 Bacteriostatic KDF/GAC Filter (10" x 4.5") Reduces chlorine taste and odor, water-soluble heavy metals, scale, and algae, and inhibits bacterial growth in drinking water Nominal filtration rating of 5 microns KDF 55 copper-zinc granules and granular activated carbon (GAC) media Recommended flow rate of 1 gpm Temperature range of 40 to 125 degrees F (4.4 to 51.7 degrees C)