Outdoor Camping for Butane Cylinder Tank Refill Connector Adapter Valve Designed to recharge refillable butane cylinder Convenient and portable to use Suitable countries: steps and precautions (note that the operation of liquefied is dangerous, Be to operate in an open outdoor place, and operate carefully): 1. Install the empty of the cassette tank on the valve. 2. Make to the valve switch tightly. 3. Put the liquefied cylinder that meets standard on a stool or other stable table with a height difference of more than 20cm (make the switch of the liquefied cylinder is closed) 4. Install the valve with the cassette air tank on the liquefied cylinder. 5. After placing it steadily, turn on the switch of the liquefied cylinder, and then turn on the switch of the valve to ( control the time, and never overcharge. The capacity of the cassette cylinder is generally recommended to be within 180 grams, approximately After filling for a while, the tank can be removed and weighed to confirm whether the weight of the tank is too high). 6. At of , first turn off the switch of the liquefied cylinder, then turn off the switch of the valve, and then remove the valve and the cassette tank in turn. colour: gold : copper+zinc +iron Size: about 11.5x11CM Package Contents: 1 x Refillable Adapter Only the above package content, other products are not included. Note: Light 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.