Feature: -100% brand new product -The product can realize the conversion from thread interface to card interface - With an automatic closing function, after connecting to the long tank gas cylinder, there will be no leakage if it is not connected to the burner. -The adapter material is made of pure copper and oxidized aluminum alloy valve core, and the connection has self-closing gas function. Specification: Material: metal + hose Package includes: 1 * Inflatable Outdoor Valve A notice: 1. You will need an inflatable valve, an empty flat tank, an LPG cylinder and an electronic scale. 2. Make sure the flat tank connection valve is closed before filling the gas. 3. Connect the interface of the liquefied gas cylinder to the cylinder, unscrew the cylinder valve and check whether there is gas leakage. 4. Leave the LPG cylinder lying or lying down and connect it to the flat tank. Put the flat tank on the scale, open the button of the liquefied gas cylinder, and you can see the liquefied gas flow in the line. 5. After gas loading, close all valves.