PENTEK CBC-5 Filter Cartridge,0.5 Microns,4 7/8 In L Filter Cartridge, CBC-5 Series, Microns 0.5, Flow Rate (GPM) 1.0, Material of Construction Carbon Block, Service Life (Gallons) 3,000, Inside Dia. (In.) 1, Outside Dia. (In.) 2-7/8, Length (In.) 4-7/8, Max. Temp. (F) 180, Application Reduces Sand, Dirt, Sediment, Chlorine, Bad Taste and Odor, Compliance Certified For Use In Potable Water Applications in CA and VT, Package Quantity 1