Description Highly effective at removing water, oil and contamination to protect air cylinders and air tools. Contains 18C-3R Regulator with a 160 lb inverted gauge and air cock. Regulated outlet and filtered main line outlet included. 5 micron filtration Air Inlet Size: 1/2 in NPT (f) Air Outlet Size: 3/8 in NPT (f) and ¼ in NPT (f) plugged Max. Operating Pressure 200 psi (13.6 bar) Filter Capacity: 75 cfm Regulator Capacity: 50 cfm