Compressed Air Filter, Filter Type Coalescing, Air Inlet Size 1 in, Air Inlet Type NPT, Maximum Flow Rate 127 cfm, Maximum Operating Pressure 232 psi, Maximum Operating Temperature 149 Degrees F, Overall Width 4 3/4 in, Overall Height 10 15/16 in, Drain Included Yes, Filter Bowl Material Aluminum, Drain Type Automatic, Series OIL-X, Differential Pressure Indicator Included Yes, Drain Part Compatibility P025AO, Filter Efficiency 99.925 Percent, Filter Rating 1 micron