Fangrui Product Details Universal Propane Pressure Gauge Is Compatible With All Devices With Qcc1/type 1 Connections And Fits 5 To 40 Lb Propane Tanks. Please Note That It Not Fit Tanks Over 40 Pounds. Its Heavy-duty Solid Brass Construction Stands Up To Weather, Scratches, Dents And , Ensuring Long-lasting Use. This Device Measures An Estimated Reading, Not An Exact Value For When Your Tank Is Empty. Its Worth Noting That Temperature Affects Pressure - In Hot Weather, Pressure Increases, And In Cold Weather, Pressure Decreases. Therefore, The Same Amount Of Propane May Show Different Levels On The Meter. It Provides A Convenient Way To Monitor Your Propane Usage And Schedule Refills, Ensuring Youre Prepared For Any Season. You Can Conveniently Monitor Fuel Level Without Removing The Tank. Its Color-coded Dial Makes It Easy To See At A Glance When Propane Levels Are Low, Taking The Guesswork Out Of When Propane Levels Need To Be Replenished. This Propane Tank Gas Meter Works With Propane Cylinders, Propane Regulators With