3/8" FNPT H style plugs are made of case hardened steel and are plated to resist rust. Milton H style plugs have a 3/8" basic flow size and a maximum pressure of 300 PSI. With air flow of up to 67 SCFM, H style couplers and plugs are perfect for larger tool applications that require more SCFM.

Product Features:

• 3/8" female national pipe thread
• Maximum inlet pressure of 300 pounds per square inch
• Air flow of 67 standard cubic feet per minute
• Maximum temperature of 250 degrees Fahrenheit