Features and Benefits: Maximum pressure of 300 pounds per square inch; Maximum air flow of 74 standard cubic feet per minute; 1/4" basic flow size; 3/8" Female national pipe thread; Highly recommended for any type of percussion and impact tools; 3/8" FNPT V style high flow push type steel plugs are used in applications that require high volume, low pressure. Has a maximum inlet pressure of 300 PSI and air flow of 74 SCFM. Compatible with M style and A style plugs, however, to retain maximum flow use V style plugs.