Catalog > Test and Measurement > Test and Measurement Instruments > Multimeters > Digital Multimeters Magnetic Gas Level Indicator LPG Propane Butane Cylinders Indicator BDD MAGNETIC GAS LEVEL INDICATOR Magnetic Gas Level Indicator For Use On Gas Cylinders. Applicable To LPG(Propane) And Butane Cylinders. Magnetic Backing Allows For Easy Reuse On Exchange Bottles 39.65 ZAR inc for 1 Each 13 in Stock Add Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Overview Never run out of gas from now on. Just install it on your gas tank and it will show you how much gas is left in your gas tank. Features Instructions:1.Place your Gas Level lndicator on a clean area on the lower half of the cylinder.2.Turn on the gas and wait 10 minutes 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. Specifications Size:10*6.3cm Material:PET plastic + LCD + soft magnet Color: Black