1/4 MNPT high flow V style brass body has a push type sleeve release; simply push plug into coupler to engage, pull sleeve back to remove. Perfect for high volume, low pressure applications. Milton V style couplers will also accept M style and A style plugs, however, to retain maximum flow use Milton V style plugs. Product Features:Air flow of 74 standard cubic feet per minuteMaximum inlet pressure of 300 pounds per square inchBuna-N sealMaximum temperature of 250 degrees Fahrenheit1/4 male national pipe thread