Filter , Reduces Oil, Micron Rating Not Rated, Flow Rate 10 gpm, Inside Diameter 1 1/8 in, Outside Diameter 4 1/2 in, Overall Height 20 in, Filter Media Carbon, For Use With 20 in Big Blue Housings, Application Hydrocarbon, Oil, Media Cellulose, Filter Design Woven, Filter Type Oils, Maximum Temperature 125 Degrees F, Series Pentek Oac