【Material】: Gas tank gauge level indicator made with color changing ink and magnetic materials, this fuel gas tank bottle indicator is sturdy. 【Easy ro Use】: Simply move the card up and down on the gas cylinder, wait for 5-10 minutes, and observe the color change.
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(Works on LPG (propane) & butane cylinders. Place your Gas Level Indicator on a clean area on the lower half of the cylinder. Turn on the gas and wait 10 minutes before you can read your Indicator. 3 x Magnetic Gas Cylinder Tool).
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【Material】: Gas tank gauge level indicator made with color changing ink and magnetic materials, this fuel gas tank bottle indicator is sturdy. 【Easy ro Use】: Simply move the card up and down on the gas cylinder, wait for 5-10 minutes, and observe the color change.
eBay
It can provide a reminder of changes in margin. Material: PET+LCD+soft magnet. Usage: Place the test card at the bottom of the tank and slowly slide it upwards. The card will show a color change, and the position where the color change occurs is the remaining amount of liquefied gas in the tank.
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Magnetic Gas Level Indicator can be used on any propane, butane or mixed fuel gas cylinders. The Gas Level Indicator is 114 x 50mm in size and available with adhesive or magnetic backing so it can be attached to the outside of gas cylinders.
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Practical Propane Butane LPG Fuel Gas Tank Level Indicator Magnetic Gauge Bottle. Instructions: 1. Place your Gas Level Indicator on a clean area on the lower half of the cylinder. Turn on the gas and wait 10 minutes before you can read your Indicator.
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(Works on LPG (propane) & butane cylinders. Place your Gas Level Indicator on a clean area on the lower half of the cylinder. Turn on the gas and wait 10 minutes before you can read your Indicator. 3 x Magnetic Gas Cylinder Tool).
eBay
(Works on LPG (propane) & butane cylinders. Place your Gas Level Indicator on a clean area on the lower half of the cylinder. Turn on the gas and wait 10 minutes before you can read your Indicator. 3 x Magnetic Gas Cylinder Tool).
eBay