1PK Mr. Heater F276342 Propane Safety Gas Gauge and Leak Detector

End 1 Type: Female P.O.L.;End 2 Type: Acme Nut;Fits from 5 lbs up to 40 lbs propane tanks;Meets all type 1 safety standards;Shows when the connected tank is getting low on fuel and indicates how much propane is being used at a time to reveal whether a leak may be present;Easy to Install;