Optimize your propane storage with the 30-Pound Propane Tank from Flame King. This propane cylinder is pre-purged and vacuum-ready for filling with propane, allowing you to skip the cost and hassle of purging your new tank. Built from high-grade welded steel and powder-coated for rust prevention, it is meant for long-lasting application. For your safety, the propane tank for grill includes an OPD valve to prevent overfilling and features a built-in gauge, so you don't have to worry about running out of propane. Its integrated gas meter gauge provides accurate readings of your gas levels. This propane gas cylinder has undergone x-ray and hydrostatic testing and is certified by both DOT and Transport Canada, ensuring safe transportation throughout the U.S. and Canada. With a standard-size connection valve, Flame King propane tanks connect as easily as smaller tanks and are compatible with RVs, trailers, propane tank attachable heaters, and other accessories.