Dixon Valve Air Chief automotive interchange quick-connect coupler. Application: Air Chief automotive quick-connect couplers will interchange with the popular makes of automotive quick-connect fitting such as Amflo, Dill, Milton and Truflate. There are some makes however, which do not interchange with any others. Flow rating at 100 psi: 37 CFM. Rated to 300 psi. Temperature range: -40 degrees F to 250 degrees F. Weight - 0.0720 pounds.