Comes with Furniture Kit: Furniture Kit for 18" Round Kilns - 1 - 15.5” x 15.5” octagon shelf, 4 - 15.5” x 7 3/4” half shelves, 6 ea 4, 6, 8 inch small square posts, 1 lb bag kiln wash. Medallion Artist Series 1823HE - Model MAS1823HE 240 or 208 volt, inside dimensions: 17.5" wide x 22.5" deep, fires to 2350°F Olympic's Medallion Artist Series models can be fired everyday with high performance heating and controlled cooling providing a perfect firing every time. The kilns are built with 3” brick providing extra insulation and energy efficiency. Olympic's proven electrical box design with heat shields and top and bottom perforations keep the electrical components cool, and balanced heating elements insure even heating of the firing chamber under all firing conditions. The model comes equipped with pilot light, metal stand, stainless steel jacket, and Bartlett V6-CF electronic controller upgraded programable controler. One-year Limited Kiln Warranty. 40amp, 220v or 240v plug required. Kiln pulls 30amps