Mirro 92122A Polished Aluminum 5 / 10 / 15-PSI Pressure Cooker / Canner Cookware, 22-Quart, Silver The pressure canner is constructed from rustproof heavy-gauge aluminum; 16 pint-size jars or 26 half pint-size jars when double-stacked or 7 quart-size jars Maintains steady pressure with 3 cooking-pressure options--5, 10, and 15 PSI Reusable overpressure plug, sure-locking lid system, and side gasket pressure release Cooking rack and user guide with recipes included Limited 10 years warranty for the pressure canners and limited 1 year warranty for the replacement parts