Jetboil JetGuage
Jetboil JetGuage, Engineered to accurately measure the fuel level of any Jetboil canister, this tool will help you know before you go.
Features
3 settings for weighing 100 g, 230 g and 450 g JetPower canisters
Easy to read digital output fuel levels
Convenient usage guide to help meal planning
Compatible with all isobutane/propane backpacking fuel canisters
Video -Jetboil JetGuage