Perfect Stove Pot - Perfect for preparing preserves, jams, soups, and more. 20-quart capacity allows you to prepare large quantities for storage or family meal prep Temperature Indicator Knob - Built-in Temperature Indicator in Tempered Glass Lid with 3-elevation zones makes timing easy. Identify your altitude and watch the needle in your corresponding zone. Once the needle is in the green for your zone, begin timing. Using the lowest stove temperature while keeping the needle in the green allows you to use less energy Tri-Ply Base - Barton 20-quart stainless steel water bath canner features a tri-ply base for even heating Rack Included - The rack's design allows it to be raised and supported on the edge of the canning pot for easier jar removal Use on Any Range - Suitable for use on gas stove, electric stove, induction cooker and ceramics furnace