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® SEALRIGHT™ Quick Coupler, Accessory Type: Accessory, For Use with: CFC, HCFC, HFC Refrigerant and Oil, 45 deg Angle 1/4 in Male Flare, Domestic