Filter Cartridge Reduces Sediment Micron Rating 20 micron Flow Rate 10 gpm Inside Diameter 1 1/8 in Outside Diameter 4 1/2 in Overall Height 9 3/4 in Filter Media Resin-Impregnated Pleated-Cellulose Polyester For Use With 20 in Big Blue Housings Application Water Cartridge Media Cellulose Filter Design Pleated Filter Type Resin-Impregnated Cellulose Maximum Temperature 145 Degrees F Minimum Temperature 40 Degrees F Series Pentek S1 Standards -