Filter Cartridge Reduces Sediment Micron Rating 30 micron Flow Rate 20 gpm Inside Diameter 1 1/8 in Outside Diameter 4 1/2 in Overall Height 20 in Filter Media Non-Woven Polyester For Use With 20 in Big Blue Housings Application Commercial Industrial Residential Cartridge Media Polyester Filter Design Pleated Maximum Temperature 125 Degrees F Minimum Temperature 40 Degrees F Series Pentek R