Coal Filter, Filter Type Coalescing, Air Inlet Size 1/4 in, Air Inlet Type NPT, Maximum Operating Temperature 122 Degrees F, Overall Width 2 in, Overall Height 8 3/8 in, Drain Included Yes, Filter Bowl Material Metal, Drain Type Semi-Automatic/Manual Drain, Series 651, Differential Pressure Indicator Included Yes, Air Inlet Gender Female, Air Outlet Gender Female, Air Outlet Size 1/4 in, Air Outlet Type NPTF, Body Material Aluminum, Filter Element Material Borosilicate Microfiber, Polyester