Monitors fuel level without removing the tank. Easy to install and use. Propane gas meter, converts POL-LP tank to QCC1/Type1 hose and regulator. Allows you to quickly and easily check the amount of your product. Propane in your tank Great propane accessories for your grill, camping stove, propane heater or other propane devices Robust construction made of solid brass Nominal diameter: M12*1.5 Number of parts delivered: 1 Note: The data is all measured manually, please allow 1-1 error. 3 cm. Due to the difference in light and display, there will be a certain color difference. The quantity of the actual receipt shall prevail: (subject to the main picture).