Bel-Art CultureTemp 37C Warming Plate; 120V, 10 x 9&frac34; x 2&frac14; in. (F37015-0000) Working temperature of 37 degrees C increases cell viability outside of the incubator Anodized aluminum top plate for uniform heat distribution and resistance to chipping LED readout and digital temperature control for accuracy Timer counts down from 15 minutes for time-sensitive applications UV resistant polypropylene housing for use under germicidal UV lights