Vulcan K20GLT 20 Gallon Propane Gas Tilting Steam KettleGas self contained, stainless steel, 23 jacketed floor mounted tilting steam kettle Ellipsoidal bottom kettle liner formed and fully welded standard type 316 and type 304 stainless steel exterior Heavy bar rim (14 x 58 inch 20 gallons) (38 x 1 inch 40 gallons andgreater) Embossed gallon liter markings 50 psi (3. 4 kg cm2) steam jacket rating Stainless steel enclosure for water resistant controls, self lockingtilt mechanism and faucet bracket Controls