Effortless monitoring - Track propane levels accurately with our tank gauge that can be set up safely and quickly in less than 2 minutes by tightening the handwheel horizontally: no tools required. Durability assured - this tank knife is built with robust construction and high-quality metal. Improved protection - Our armour meter uses an innovative colour coding system to display flammable values. This ensures safe use by implementing an automatic closure in the event of a leak that provides improved safety. Widely used - designed for use with QCC1/type 1 ports, this indicator fits all standard tanks from 5 to 40 lbs to ensure a wide range of compatibility and a seamless user experience. Practical applications - Home grilling and patio heating: use with standard 5-40 lb tanks to monitor propane level and manage refills safely for grills, heaters, and outdoor appliances. - Camping, RV, and boating: keep track of propane supply on the go with compatible tanks and ports to ensure fuel is available when needed. - Routine safety checks and maintenance: quick setup in minutes, color coded status, and automatic leak response support safe handling and proactive safety practices.