Precision Compressed Air Regulator Air Inlet Size 3/4 in Air Inlet Type NPT Maximum Flow Rate 200 cfm Maximum Operating Pressure 400 psi Maximum Operating Temperature 180 Degrees F Pressure Gauge Included No Adjustment Mechanism Knob Overall Width 3 5/8 in Series Precision Adjustment Mechanism Material Phenolic Plastic Plated Steel Air Inlet Gender Female Air Outlet Gender Female Air Outlet Size 3/4 in Air Outlet Type NPT Body Material Zinc Die-Cast For Fluid Type Compressed Air