Flame King YSN122 Asme LP Tank - With top mount bracket. 12.2 gallon tank is horizontally mounted on an RV. High grade steel welded propane cylinder. Premium OPD valve assembly. X-ray and hydrostatic leak tested. ASME approved. Powder coated for long lasting exterior protection. 12in dia. x 28in L. - 50236, 12 x 28 Tank, ASME, Top Mount Bracket.