T style couplers are brass. T style plugs are case hardened steel, plated to resist rust. Maximum Inlet Pressure: 300 PSI Maximum Temperature: 250° F Air flow: 40 SCFM
H style couplers are steel, plated to resist rust. H style plugs are case hardened steel plated to resist rust. Maximum inlet pressure: 300 PSI Maximum Temperature: 250° F Air flow: 67 SCFM
A style couplers are push type, steel and plated to resist rust. Plugs are steel and plated to resist rust. Maximum inlet pressure: 300 PSI Maximum Temperature:250° F Air flow: 34 SCFM