Presto 23-Quart Induction Compatible Pressure CannerPressure canning is the only method recommended safe by the U. S. D. A. for low acid foods such as vegetables, meats and fish. Works on gas, electric, smooth top, and induction ranges.* Constructed of heavy gauge polished aluminum with a stainless steel clad base for fast, even heating. Air vent cover lock allows pressure to build up only when the cover is closed properly and prevents the cover from opening until pressure is safely reduced. Doubles as