Filter Element Element Material Paper Compatible Manufacturer Part Number 5Z660 5Z661 FS-15-075 FS-15-100 VFD2S VFD3S Compatible Grainger Part Number 5Z660 5Z661 Overall Height 2.31 in Inside Diameter 3 in Outside Diameter 4 3/8 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