Compatible with all appliances featuring a QCC1 / Type 1 connection, this gauge is suitable for propane tanks ranging from 5 lb to 40 lb. Note: This product is not suitable for propane tanks exceeding 40 lb Heavy duty 100% solid brass construction withstands weather, scratching, denting and corroding.This gauge provides an estimated reading rather than an exact measurement of when your propane tank will run out. It's important to note that temperature affects pressure: in hot weather, pressure increases, while in cold weather, it decreases. As a result, the same quantity of propane may display varying levels on the gauge's meter. This tool offers a convenient way to monitor your propane usage and plan refills accordingly, keeping you prepared for any season. Monitors fuel level without removing the tank. Color coded dial for allowing you to see at a glance when your propane level is low. This propane tank gas gauge can be worked with propane tank cylinders, propane regulator with hose and propane adapter. Works when you turn the propane on, it will quickly react showing the pressure. Coming with dust cover. No tools required and easy to install with handheel grip for tightening. Great for using gas grill, heater, smoker, camp stove, lantern, tabletop grill, fire pit table, turkey fryer and more propane appliances.