Milton V-style HI-FLO brass coupler is for use with HVLP spray guns and equipment. The V-style coupler will also M - and A-style plugs, but for greatest air flow the V-style plug must be in use. Not to ship to Canada. Material : Brass, Coupler Size -LRB- in . -RRB- . : 1/4, : No, Style : M, A, V, staminate or young-bearing : F, Pieces -LRB- qty . -RRB- . :, Max. : 300 .