Filter Cartridge, Reduces Sediment, Micron Rating 20 micron, Flow Rate 10 gpm, Inside Diameter 1 1/8 in, Outside Diameter 2 5/8 in, Overall Height 9 3/4 in, Filter Media Resin-Impregnated Pleated-Cellulose Polyester, For Use With 10 in Housings, Cartridge Media Cellulose, Filter Design Pleated, Maximum Temperature 145 Degrees F, Minimum Temperature 40 Degrees F, Series Pentek S1 Featuring a pleated design that maximizes dirt-holding capacity, this PENTAIR/PENTEK pleated filter cartridge is designed for general water filtration purposes. Model is constructed with pleated media around a polypropylene core, and the pleated end caps are immersed in a thermo- setting vinyl plastisol for added strength. Filter is recommended for chlorinated water supplies.