The HF-97 is a well-insulated, medium capacity top-loading floor model kiln with the capability to fire to Cone 10. The wide firing range allows for overglaze decorating and firing earthenware as well as higher temperature porcelain and stoneware. The HF-97 is well-suited for small to medium sized classrooms and studios. Features of the HF-97 include:4.5 of combined firebrick and block insulation for greater firing efficiency and lower radiant temperature making it extremely safe for school use. 18 x 18 x 18 (3.38 cubic foot) firing chamber capacity Strong 18 welded steel back frames, 11 gauge welded steel front frames, 18 gauge steel shells mean unsurpassed durabilitySpring-balanced, refractory-backed lid rests on ceramic fiber rope encircling the chamber for minimum heat loss, a perfect seal, and effortless opening and closingSpring latches allow lid to adjust to chamber expansion as temperature changes inside during firingTop-quality Kanthal 14 gauge element wires are securely housed within deeply recessed grooves in firing chamber walls which can be removed easilyThe HF-97 is available with Select Fire computer control or with Kiln-Sitter and Limit Timer plus Pyrometer4 lb. box of AMACO Kiln Shelf Wash included.