Milton 1814 3/8" MNPT G-Style Coupler (Box of 5)

3/8" MNPT G-Style Coupler (Box of 5) 3/8" male national pipe thread Maximum inlet pressure of 300 pounds per square inch Air flow of 99 standard cubic feet per minute Maximum temperature of 250 degrees Fahrenheit 3/8" MNPT G style couplers are used in applications that require over 60 SCFM. There are two Milton® G style couplers, but both will function the same with G style plugs. Milton® G style couplers are made of steel and are plated to resist rust. With a 1/2" basic flow size, these couplers offer up to 99 SCFM, making them the highest SCFM rated couplers. Maximum pressure of 300 PSI.