T-STYLE: The industry standard coupler. Milton T-style, ColorFit T-style, + blue competitor couplers/plugs are all compatible. KWIK-CHANGE: Interchangeable/compatible with most manufacturers NPT: 1/4" Female national pipe thread flow size. Durable brass. Buna-N seals. MAXIMUM: 40 standard cubic feet per minute (SCFM). 300 PSI inlet pressure. Temperatures up to 250 degrees F. INCLUDED IN MILTON T-STYLE KITS: #S-782 & S-215 Air flow of 40 standard cubic feet per minute Maximum of 300 pounds per square inch 1/4" female national pipe thread Industrial application Maximum temperature of 250 degrees Fahrenheit