Pneumatic Oil Filter Filter Type Coalescing Air Inlet Size 1/4 in Air Inlet Type NPT Maximum Flow Rate 58 cfm Maximum Operating Pressure 250 psi Maximum Operating Temperature 130 Degrees F Overall Width 3 5/16 in Overall Height 8 1/2 in Drain Included Yes Filter Bowl Material Aluminum Drain Type Automatic Series 8000 Air Outlet Size 1/4 in Air Outlet Type NPT Filter Efficiency 99.99 Percent Filter Element Material Borosilicate Glass Microfibers Filter Rating 0.01 micron