Filter Element, Element Material Paper, Compatible Manufacturer Part Number FS-10-050, SS5 Bare, Overall Height 1.37 in, Outside Diameter 4 in, Filter Rating 2 micron, Filtration Efficiency 99 Percent, Maximum Flow Rate 35 cfm, Features Pleated Media for High Dirt Holding Capacity, Housing Material Galvanized Metal, Maximum Operating Temperature 220 Degrees F