Specification: Type: Switch Tool. Style: Outdoor. Structure: One-Piece. Stove Type: Gas Stove. Material: Metal+PU. Item length: 60cm / 23.6in. Item weight: 111g / 3.9oz. Piece Number Of Wind Deflector: <5. Number of Users: 3-5. Material: Metal. Fuel: GAS. Category: Gas Stove. Application Method: Manual. Applicable Seasoning Type: Liquid Seasoning. Features: Used to fill your flat tank from liquefied gas cylinder. Pipeline is made of high pressure PU pipe. Safe and easy to control. Usage: 1. You need a inflatable valve, an empty flat tank, a liquefied gas cylinder, and an electronic scale. 2. Please make sure that flat tank connection valve is closed before gas charging. 3. Connect the liquefied gas cylinder interface to the cylinder, unscrew the cylinder valve and check whether there is gas escaping. 4. Let the liquefied gas cylinder lie down or upside down, and connect to flat tank. Put the connected flat tank on the scale, open the liquefied gas cylinder knob, then you can see liquefied gas flow in the pipe. 5. After gas charging, please shut all the valves. Notes: Please operate in a ventilated open space. Do NOT operate under any circumstances near a flame. Be sure flat tank is 340g