This is a natural air gravity convection ovens. Uses natural air for drying glassware and samples, sterilization, product age acceleration, evaporation, and more. Double wall construction, glass wool insulation. Bi-metallic thermostats. Aluminum interior. Supplied with two adjustable tip-proof zinc plated steel shelves, thermometer. Available in three sizes. Caution: Boekel ovens are not to be used to heat combustible materials. Electrical: 230 VAC 660 W. Chamber Volume: 0.6 cu.ft. Max. Temp: 215°. Overall Dimensions WxDxH: 13¾" x 13½" x 16½". Chamber Dimensions WxDxH: 11¼" x 9¾" x 9¼". Boekel#: 107800-2.