Designed for easy, confident home pressure canning. The only method recommended safe by the U.S. Department of Agriculture for canning low-acid foods such as vegetables, meats, and fish. Doubles as a water bath canner for preserving fruits, jams, jellies, pickles, and salsa. Easy-to-read dial gauge registers a complete range of processing pressures. Air vent/ cover lock gives a visual indication of pressure inside the canner and prevents the cover from opening until pressure is safely reduced. Constructed of extra-strong, warp-resistant aluminum. Includes canning rack and complete instruction and recipe book. Suitable for use on regular and smooth-top ranges. Presto* 23-Quart Pressure Canner 23-quart liquid capacity (21.8 liters) Stock No. 01781 *"Presto" is a registered trademark of National Presto Industries, Inc. in the United States of America and/or other countries.