The Lab-Line 26020 slide warmer is designed for cytology, histology, and other biological applications in industrial and clinical lab environments. It offers uniform heat transfer over entire heating surface. Anodized black heavy gauge aluminum work top resists corrosion and provides high-contrast background for viewing specimen. Thermostat-controller regulates temperature to 65C. The slide capacity is sixty-six 1" x 3" or thirty-three 2" x 3".