MIS-772 Features: -A-style couplers are push type.-A-style coupler bodies are steel, plated to resist rust.-A-style plugs are case hardened steel, plated to resist rust.-Maximum inlet pressure: 300 PSI.-A-Style Coupler/Plug Kit. Includes: -Maximum temperature: 250 degrees F. Kit includes (1) #775 1/4" NPT female A-style coupler and (1) #777 1/4" NPT male A-style plug.. Warranty: -1 yr warranty on material and workmanship.