Especially designed for K-12 schools with low-fire programs, L&L School Master Kilns offer superior durability and safety while simplifying maintenance and maximizing efficiency. Fire pieces up to Cone 1, 2080F (1140C) inside these medium-size kilns, which feature 3" K23 firebrick for optimal strength and energy-efficiency. Smooth ceramic channels protect the heating elements as they expand and contract to help improve heat transfer and reduce brick dust. - L&L School Master Kiln - 208-240V P1, 60 Amps.