Filter Cartridge Reduces Sediment Micron Rating 5 micron Flow Rate 20 gpm Inside Diameter 1 in Outside Diameter 4 1/2 in Overall Height 20 in Filter Media Polypropylene For Use With 20 in Big Blue Housings Application Drinking Water Cartridge Media Polypropylene Filter Design String Wound Maximum Temperature 145 Degrees F Minimum Temperature 40 Degrees F Series Pentek DGD Standards NSF/ANSI 42