Flame King's HOG series tanks with wheels are available in 20 lb, 30 lb, 40 lb, 60 lb, and 100 lb sizes. Each tank is designed for both horizontal and vertical use, includes a built-in gauge, an EZ-HANDLE collar, and built-in wheels for easy rolling. They are built from high-grade welded steel, powder-coated for durability, and pre-purged and vacuum-ready for filling.