Filter Element Element Material Paper Compatible Manufacturer Part Number FS-04-025 FS-04-038 PS-04-025 PS-04-038 PS-04-050 SS3 Bare SS3L3 Overall Height 1 in Outside Diameter 2 1/4 in Filter Rating 2 micron Filtration Efficiency 99 Percent Maximum Flow Rate 8 cfm Features Pleated Media for High Dirt Holding Capacity Housing Material Galvanized Metal Maximum Operating Temperature 220 Degrees F