3 way 1/4″ FNPT AMT style couplers accept Milton A, M and T style plugs. These are the perfect solution for shops where multiple plugs are used. Features a push type coupler and drag guard to prevent accidental uncoupling. AMT style plugs have a 1/4″ basic flow size, air flow of 42 SCFM and a Maximum air intake of 300 PSI.