Features and Benefits: Air flow of 34 standard cubic feet per minute Air flow of 34 standard cubic feet per minute Maximum temperature of 250 degrees Fahrenheit Buna-N seal 1/4 FNPT A style push type coupler are easy to use; simply push plug into coupler to engage pull sleeve back to remove. Made of plated steel to resist rust these couplers have a maximum inlet pressure of 300 PSI. A style couplers have a basic flow size of 1/4 and a maximum air flow of 34 SCFM.