This propane refill adapter is designed specifically for russia,, ukraine, kazakhatan, belarus and other europe countries.U can fill your flat gas container from cylinder with itSafe and easy to control.How to use it:1. You need a inflatable valve, a empty flat gas container, a cylinder, and a electronic scale.2. Please make that flat gas container connection valve is gas charging.3. Connect the cylinder interface to the cylinder, unscrew the cylinder valve and check whether there is gas escaping.4. Let the cylinder lie down or , and connect to flat gas container, Put the connected flat gas container on the scale, open the cylinder knob, then you can see flow in the pipe.5.After gas charging, please shut all the valves.Pipe length: 60cmWeight: 140gModel Number: GZ157Type: Cookware PartsCookware Parts Type: Handles & Knobscolor:Gold+silverMaterial:MetalPackage Contents:1 x Metal tube valve1 x Adapter headOnly the above package content, other are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.