All American 921 aluminum pressure cooker, canner, 21quart. Exclusive Metal To Metal Seal. No Gaskets To Crack, Burn, Replace, Or Clean. Equipped With 2 Automatic Venting Features Which Provide An Extra Margin Of Safety (The Safety Control Valve & Overpressure Plug). Professional Quality, Extra Heavy Duty Cast Aluminum Construction Throughout For Fast & Even Heating. 19 Pints Or 7 Quart Jars Canning Capacity Includes Cooking/Canning Rack, Complete With New Easy-To-Read, 8.5" X 11" Instruction & Recipe Book 1 Year Limited Warranty Size Specifications (Overall Height x Height Of Bottom Only x Inside Diameter): 15.38" x 11" x 12.63" Made In U.S.A. All American does not allow its pressure cookers to be used in restaurants.