Filter Regulator, Filter Bowl Material Polycarbonate, 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, Filter Bowl Guard Included Yes, Filter Bowl Guard Material Polycarbonate