The Expert Grill 530-0074B Propane Tank Gauge Clear indicator is an easy method of determining propane levels in your propane tank for your BBQ grill. With its easy-to-read indicator, it makes it a snap to monitor exactly how much propane you have left in the tank at any time. Installation is easy and does not require any tools. It is a universal size and fits most twenty-pound tanks. Heavy duty solid brass construction withstands weather, scratching, denting and corroding. Monitors fuel level without removing the tank. There is a colour coded dial for allowing you to see at a glance when your propane level is low. This product is backed by a one-year limited manufacturers warranty. To Contact Customer Service call Toll Free: 1-800-913-8999