1/4" NPT, Female, Female, AMT Universal Style, Coupler, Heavy Duty Brass, Rust Resistant, 42 Standard CUFT Per Minute, Maximum 300 PSI, Maximum Temperature Of 250 Degrees Fahrenheit, Push-Type With Drag Guard, Ideal For Shops Where Multiple Plugs Are Used, Coupler Can Be Used With A Style, M Style & T Style Plugs.