WUZHOU Camping Gas Tank Adapter Gas Cylinder Refill Adapter Propane Tank Adapter Outdoor for Outdoor Hiking Picnic Trekking Indoor Note: When removing the valve, please hold the valve with your hand.Please freeze the tank that needs to be introduced for ten minutes in advance, so that gas refill adapter is easier to introduce gas Material: Aluminum alloy matte treatment, heat hardness treatment,propane tank adapter is strong and durable Features: Lightweight and small size for easy to storage,camping gas tank adapter is great for camping, hiking and picnic etc Function: Gas cylinder refill adapter can realize the communication between the gas tank and the gas tank, so that the gas of one of the gas tanks can be introduced into the other gas tank Operating instructions: When connecting, please screw the gas tanks to airtight, the exported ones are on the top, and the imported ones are on the bottom Color: silver Size: 2.7*2.5cm (without knob size) Quantity: 1pc 1.As different measuring methods,it will occur 1-3 cm deviation about the items,please ensure that it is okay for you before ordering. 2. Because of different monitors and lamplight, the picture may not reflect the actual color of the item, really thank you for your kind understanding. 3. Only the above package contents, excluding other products.