Milton V-style HI-FLO brass coupler is designed for use with HVLP spray guns and equipment. The V-style coupler will also accept M- and A-style plugs, but for maximum air flow the V-style plug must be used. Swivels No, Coupler Size in. 1/4, Pieces qty. 1, Style M, A, V, Material Type Brass, Male or Female F, Max. PSI 300. Maximum inlet pressure 300 PSI Maximum temperature 250F Air Flow 74 SCFM @ 100 PSI Seals Buna-N. 5 Pack Warning: This product can expose you to chemicals which is known to the State of California to cause cancer and birth defects or other reproductive harm.