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
G style couplers are steel, plated to resist rust G style plugs are case hardened steel, plated to resist rust Maximum inlet pressure:300 PSI Maximum Temperature: 250° F Air flow: 99 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