Filter Regulator, Filter Bowl Material Metal, Air Inlet Size 1/8 in, Air Inlet Type NPTF, Filter Rating 5 micron, Filter Type Particulate, Maximum Operating Pressure 145 psig, Drain Type Semi-Automatic/Manual Drain, Pressure Gauge Included Yes, Body Material Aluminum, Overall Width 50 in, Series 651, Air Inlet Gender Female, Drain Included Yes