Description: This propane tank adapter help convert your old style POL LP connection type tank to new type Qcc1/Type1, help you work with propane regulator with hose and propane adapter; Help you monitor fuel level,you don't need to worry run out of propane again while cooking. Color coded dial makes tank monitoring easy, screen is large enough to see and display is easy to read the level. No more running out unexpectedly on a cold night or mid way cooking a meal. Provides excess flow protection, when the flow is too high, this will be automatically closed. This function can control the flow of propane transmission and ensure that the tank will never overflow. Made of copper alloy and stainless steel, anti-scratch, anti-sag, anti-corrosion, solid and sturdy. You can use it for gas grill, camp stove, heater, smoker, tabletop grill, Fire pit Table, propane appliances, etc. Threaded connection allows you to connect it without tools and easy to install, you can use handheld grip for tightening. Fitment: This item can be used on 20lb-50lb exchanged propane tanks. it will equalize the pressure between the two tanks. Specification: Material: Brass and stainless steel Size: approx. 100x60mm/3.94x2.36inch Package Includes: 1 Piece Propane Tank Gauge Adapter