High flow:
Milton S-314VKIT Kit, 14pc Hi-Flo V style 1/4", Purple
(2203)
Milton 764VC ColorFit HighFlowPRO Couplers, V-style Purple, 1/4" NPT Female, Box of 10
(274)
Milton 760VC-20 ColorFit HighFlowPRO Plugs, V-style Purple, 1/4" NPT Male, Box of 20
(695)
Milton Industries 760 1/4" MNPT HIGHFLOWPRO™ V-Style/European Interchange Brass Air Plug Fitting (High Volume Low Pressure Application) -Box of 10
(597)
Low flow:
ColorFit by Milton Coupler & Plug Kit - (M-Style, Red) - 1/4" NPT, (14-Piece) - S-314MKIT
(6540)
Milton ColorFit Coupler & Plug Kit (14 Piece), A-Style 1/4 NPT Green, S-314AKIT
(350)
ColorFit by Milton Coupler & Plug Kit - (T-Style, Blue) - 1/4" NPT, (14-Piece) - S-314TKIT
(97)