These Lab-Line slide warmers are ideal for cytology, histology, pathology, biology, industrial and clinical laboratories engaged in paraffin tissue section mounting. The black work top (for maximum contrast of specimens) is designed for exceptional heat uniformity and retention over the entire surface and will not warp or discolor. Temperature range is ambient to 100°C. Capacity of 50, 1” x 3” slides. 120 volt. Warranty 24 months.