IJU1053 Features: * M-style coupler bodies are brass with brass sleeves * M-style plugs are case hardened steel, plated to resist rust * Maximum inlet pressure: 300 PSI * Maximum temperature: 250 Degrees F * 5 PIece 1/4"""" NPT M-Style Coupler and Plug Kit Includes: * Air flow: 40 SCFM Kit includes (1) MIL715 1/4" NPT female coupler, (3) MIL727 1/4" NPT male plug and (1) MIL728 1/4" NPT female plug. Will interchange with all manufacturers who comply with the dimensional requirements of military specification MIL-C-4109. Warranty: * 1 yr warranty on material and workmanship