Discontinued Propane Tank Adapter

It’s time to stop worrying about running out of propane while grilling. This propane tank gauge constantly monitors the propane level in a standard 20lb tank. Attach one end to a 20lb propane tank and the other end to the hose of a full-size grill (or portable grill that has a built-in hose). And for the sake of convenience, this tank gauge can be left outside, attached to the propane tank.