Tru-Flate Air Line Regulator with Gauge *Product Type: Air Line Regulator with Gauge *Material: Steel *Thread Size: 1/4in. FNPT x 1/4 in. MNPT *Maximum Pressure: 150 psi *Nozzle Type: Female/Male *Compact, light weight design with gauge, allows for easy ?on the tool? air adjustment* Controls in-line air pressure for paint spray guns or other pneumatic tools* Helps keep air flow at exact operating pressures * Use where precise air flow is desired *Discovery SUP