Get current pricing for Heraeus, K 114 Heraeus Muffle Furnace K 114. 1100°c. 230 V. 50 Hz. 1750 W. Temp.protection Din 12880 Kl.0. Inner Dimension: 13x17x20 Cm. 3,5 L. Digital Display. . Product Category: Lab Equipment, Sub Category: Ovens: