| Stansport 20 LB. Propane Tank Fuel Gauge Any RV, camping, or home grilling enthusiast will appreciate this replacement propane gauge that monitors how much propane remains in your tank. Use it on propane tanks 11 lbs. or larger to monitor propane levels and detect dangerous gas leaks. ... more Stansport 20 LB. Propane Tank Fuel Gauge Any RV, camping, or home grilling enthusiast will appreciate this replacement propane gauge that monitors how much propane remains in your tank. Use it on propane tanks 11 lbs. or larger to monitor propane levels and detect dangerous gas leaks. Bed Bath & Beyond | | $32.49 FREE shipping go to store |