ITEM NAME:Camping Outdoor Gas Propane Flat Cylinder Tank Refill Coupler Adapter Z a.imagelink a:hover.imagelink {color:#db3606;.1x Flat Cylinder Tank Coupler Adapter. First you need prepare a inflatable valve, a empty flat tank, a electronic scale, and a liquefied gas cylinder. Connect the liquefied gas cylinder interface to the cylinder, unscrew the cylinder valve and check whether there is gas escaping.
