Fire Chief firing chamber size: 23 1/2" wide X 27" deep, 10 sided, 6.78 cubic feet, 230 volt, 42 amp., 1.00 K.W. maximum cone 8. Large load capacity, fast firing time and low operating cost make this kiln a commercial favorite. Will accommodate all your firing needs. Comes standard with Dawson Kiln Sitter with limit timer as an added safety feature. Lid and bottom are reversible. Body latches make this kiln easy to move in sections. Kiln is dropshipped via truck.