Air hose coupling / air king： air exclusive Express connector: This is a dedicated compressed air safety joints connecting convenient connection screwdown forced rotation 45 degrees, and put up security bolt, can effectively prevent accidents joints off to avoid accidents. Rated working pressure 10BAR (150PSI) air hose coupling: Material:Carbon Steel specification and size: Blankend US Type:part number CTA281 3 way USconnertor:part number CTA271 Universal US hose end:size:1/4",3/8",1/2",3/4",1" Universal US male end:size:1/4",3/8",1/2",3/4,1" Universal US female end:size:1/4",3/8",1/2",3/4",1" 4 Lug Universal US hose end 4-lug:size:1-1/4",1-1/2",2" 4 Lug Universal US hose end 4-lug:size:1-1/4",1-1/2",2" Universal EU hose end:size:1/4",3/8",1/2",3/4",1" Universal EU male end:size:1/4",3/8",1/2",3/4,1" Universal EU female end:size:1/4",3/8",1/2",3/4",1" We also manufacture the Air hose coupling,Guillemin coupling,Steam coupling,Interlock Clamp,SL clamp,TW coupling,Foot valve and other products.