Filter Element Element Material Polyester Compatible Manufacturer Part Number CSL-843-075HC IVF-01 VFD2 VFD2S VFD3 VFD3S Overall Height 2.75 in Inside Diameter 2 3/8 in Outside Diameter 3 7/8 in Filter Rating 5 micron Filtration Efficiency 99 Percent Maximum Flow Rate 55 cfm Features Moisture Resistant Pleated Media for High Dirt Holding Capacity Housing Material Steel Maximum Operating Temperature 220 Degrees F