You are purchasing an ASCO Red Hat Valve Automatic Switch Co.
NPT 1/4 10-150 PSI Air or Water
ASCO 8317 Series Quick Exhaust Solenoid Valve - Pilot operated, 1/4" pipe size, 3/32" orifice pressure size, 1/4" orifice exhaust size, Cv flow factor .20 pressure and .73 exhaust, stainless steel body, general purpose enclosure, rated at 150 psi maximum, air-inert gas and water, 120vac/60hZ