Magnetic Gas Level Indicator

Magnetic Gas Level Indicator now available Rutane Gas, propane Gas. Reliable. Accurate. Reusable INSTRUCTIONS: 1.Place Your gas level indicator on a clean area on the lower half of the cylinder. 2.Turn on the gas and wait 10minutes before you can read your indicator. 3.In the winter the bar on the left will be active, and in the summer the bar on the right will be active. *DO NOT RUN OUT OF GAS AGAIN*