Jacketed - dual zones, insulated and clad. Jackets laser welded - high efficiency. 60 degree conical bottom with racking arm. CIP/blow-off arm with removable rotating spray ball, pressure gauge. Dome head, PRVR, lifting ears and hop port. Side mounted manway (head mounted manway option available w/savings), temp-well port, sample port/valve, carbonation port. Leveling pads, TIG welded and certified 304 stainless steel. Working pressure 14.7 PSI. Tested to 25 PSI. Minimum 25% freeboard.