Filter , Element Material Paper, Compatible Manufacturer Part Number 81-1163, P171310, Overall Height 10 in, Inside Diameter 13 in, Outside Diameter 17 in, Filter Rating 2 micron, Filtration Efficiency 99 Percent, Maximum Flow Rate 3000 cfm, Features Pleated Media for High Dirt Holding Capacity, Housing Material Galvanized Metal, Maximum Operating Temperature 220 Degrees F