SELECT-A-MATIC CHIEF KILN firing chamber size: 23 ½" wide x 27" deep, 10 sided, 6.78 cu.ft., 230 volt, 42 amp, 10.00 k.w., maximum cone temperature 8. This size kiln is a commercial favorite. It will easily fire any type of ware. Standard feature the AF-3 controller by Orton. Easy to program 3 key pad for worry free firing. Program and temperature can be reviewed during the firing at any time. Lid and bottom are reversible. Complete with stand. Kiln is built with body latches so it can be easily moved in sections. Ships via truck. OPTIONS: 4 ½" blank ring, 208 volt available at no extra charge, vent system with stand. FURNITURE: 21" full shelves, 21" half shelves, assorted shelf supports, kiln wash and stilts.