Description: * Brand new and high quality * Made of brass material, durable and practical for long-term use * Suitable for filling liquefied gas from a large gas tank into a small gas tank when grilling or camping outdoors * Inflating steps and precautions, please be sure to operate in an open outdoor place 1. Prepare 2 propane cylinders, make sure 1 cylinder is as full as possible and the other cylinder is as empty as possible. At the same t ime, confirm that the cylinder valves are all closed. 2. Place the full cylinder upside down on the table, and place the empty cylinder upright on the ground. Make sure that the distance between the joints of the two steel cylinders does not exceed 60cm. 3. Connect the two ends of the inflatable bridge to the two steel cylinders. 4. After placing it stably, turn on the switch of the full cylinder f irst, and then turn on the switch of the empty cylinder to start inflating. 5. At the end of inflation, f irst turn off the switch of the inverted cylinder, then turn off the switch of the upright cylinder, and then disconnect. * Gas refiller for US/CA/AU/UK Specification: * Material: copper+aluminum alloy+rubber * Color: Black (As Pictures Show) * Size: Length Approx. 60cm(As Pictures Show) * Weight: about 190g Package includes: 1 x Propane Cylinder Tank Refill Adapter Hose (Gas tank not included) Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data.