Features: 1.The single valve with conduit directly connected to the split camping stove head is suitable for most split camping stove head 2.The double valve with conduit can recover the unused small tank gas to other small gas tanks. Can be removed at either end of the valve to connect the split camping stove head directly to use 3.Precautions for gas recovery operation of double valve with conduit: Before use, put other small cans into the refrigerator and freeze for a few minutes. This makes it easier to introduce gas. Keep the gas tank away from high temperature and open fire. Do not refill the gas tank too many times. 4.High temperature resistance flexible hose Color: silver Size: About 38cm Delivery Quantity: 1 Piece