Pleated Filter Cartridges â?¢ Double open end (DOE)Pleated design increases surface area for better dirt-holding capacity and longer filter life.Cellulose PolyesterResin-impregnated cellulose/polyester fiber blend provides higher wet strength than regular cellulose cartridges. Offer high flow rates and dirt-holding capability, while maintaining extremely low pressure drops.

Filter Cartridge, Reduces Sediment, Micron Rating 20 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