Filter , Reduces Sediment, Micron Rating 20 micron, Flow Rate 10 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, Media Cellulose, Filter Design Pleated, Filter Type Resin-Impregnated Cellulose, Maximum Temperature 145 Degrees F, Minimum Temperature 40 Degrees F, Series Pentek S1, Standards -