Milton S-1090-125 1/4" MNPT ASME Safety Valve - 125 PSI Pop off Pressure Bubble tight to 10% of set pop off pressure 1/4" Male national pipe thread 120 standard cubic feet per minute Pop off pressure 125 pounds per square inch Made in USA Milton is your number 1 source for Quality Air Accessories Since 1943 Milton has been producing Quality Air Accessories Milton covers automotive, industrial, hardware, agriculture, heavy-duty fleet and MRO markets