SealRight™ fittings automatically and immediately trap refrigerant in the hose when disconnected, helping meet non-venting regulations and preventing finger burns. One-piece attaches quickly, saving up to 50% in time compared to 2-piece quick couplers. Yellow Jacket® Quick Connect Coupler, Coupling Fitting/Connector, 1/2 x 1/4 in Nominal, SealRight™ Quick Connect Coupler x Male Flare End Style, Domestic