Filter Element Element Material Paper Compatible Manufacturer Part Number VFD4 VFD42 VFD42S Overall Height 4.75 in Inside Diameter 2 9/16 in Outside Diameter 5 in Filter Rating 2 micron Filtration Efficiency 99 Percent Maximum Flow Rate 115 cfm Features Pleated Media for High Dirt Holding Capacity Housing Material Galvanized Metal Maximum Operating Temperature 220 Degrees F