Neiko 5-Piece Hi-Flo Brass Air Coupler Set
High flow type air coupler. Larger 1/4 internal diameter openings to permit the flow of more air - won't choke like standard fittings. Professional high quality heavy duty brass couplers. Content: 3 pieces 1/4-inch NPT Female Hi-FLO Quick Coupler, 1 piece 1/4-inch NPT Female Hi-FLO Plug, and 1 piece 1/4-inch NPT Female, Hi-FLO Quick Coupler.