Features: This propane refill adapter is designed specifically for russia, germany, ukraine, kazakhatan, belarus and other europe countries. You can fill your flat gas tank from liquefied gas cylinder with it Safe and easy to control. How to use it: 1.You need a inflatable valve, a empty flat tank, a liquefied gas cylinder, and a 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. Specifications: Material: Metal+PU Pipe length: About 60cm Weight: About 125g Warning: Considering safety, the refill canister weight should lighter than the original canister! Please operate in ventilated open space. DO NOT operate under any circumstances with flame. Please Note: Gas tank is not included