LONGADS Propane Tank Gauge Level Indicator Leak Detector for 5lb-40lb Propane Tanks, Propane Gas Pressure Meter Universal for RV Camper, Cylinder, BBQ Gas Grill, Heater and More Appliances
Monitor fuel levels without having to remove the fuel tank. Color coded luminous dials allow you to see at a glance when propane levels are low.
This propane tank gauge can be used with a propane tank gas cylinder, a propane adapter, and a propane regulator with hose. Work when you turn on propane tank, it will quickly react showing the pressure.