Inner body is made of heavy gauge Stainless Steel welded. The lid and the ring are made of Stainless Steel Plate. The lid, heavily polished and is fitted with pressure gauge, safety valve and steam Exhaust valve, and safety valve is set to blow of 20 lb./sq. inch to remove excess & maintain constant pressure. A rubber gasket is fitted in the ring to ensure steam tight joints. Outer cover made of polished Stainless Steel with legs. Fitted with immersion water heater/s. with foot lifting arrangement provided.