... ,Brass*Copper fittings,Quick connectors, kinds of tube, Goods name: Filling coupler and fittingsCharging hose,Access fittings,Filter drier,Brass*Copperfittings,Quick ... This assembly can be used to fill the system with freon R134a, R12, R22, 502A.Packaging & DeliveryPackaging Detail:refrigeration tool packing ...