Filter Element, Element Material Paper, Compatible Manufacturer Part Number C64/3, Overall Height 1.56 in, Inside Diameter 11/16 in, Outside Diameter 2 5/16 in, Filter Rating 2 micron, Filtration Efficiency 99 Percent, Maximum Flow Rate 13 cfm, Features Pleated Media for High Dirt Holding Capacity, Housing Material Galvanized Metal, Maximum Operating Temperature 220 Degrees F