Heating Plate, HP-1M, HP-4M: Optional direct current heating plate for small rodents(mice and rats). Standard plates are black anodized aluminum and the HP-1M measures 4 3/8W" x 8.5"L and the HP-4M measures 1 1/2”W x 4”L Both models have small feet attached giving them an elevation of 1/4" above the surface it sits on, such as a table or stereotaxic stage. They are easily cleaned with alcohol. They are provided with a feedback sensor to prevent overheating when used with our TCAT-2 series of controllers. Custom sizes are also available with longer lead times.