Presto 01781 Pressure Canner & Cooker w/Gauge, Aluminum, 23 QtCan vegetables, fruits, meats, poultry, and seafood with confidence. Doubles as water bath canners for preserving fruits, jams, jellies, pickles and salsas. The easy to read gauge automatically registers a complete range of processing pressures. Air vent cover lock allows pressure to build only when the cover is closed properly and prevents the cover from opening until pressure is safely reduced. Constructed of extra strong, warp resistant aluminum