Filter Cartridge Reduces Sediment Micron Rating 50 micron Flow Rate 20 gpm Inside Diameter 1 1/8 in Outside Diameter 4 1/2 in Overall Height 20 in Filter Media Resin-Impregnated Pleated-Cellulose Polyester For Use With 20 in Big Blue Housings Application Drinking Water Cartridge Media Resin-Impregnated Cellulose and Polyester Filter Design Pleated Filter Type Sediment Maximum Temperature 125 Degrees F Minimum Temperature 40 Degrees F Series Pentek ECP