The Fisher Isotemp 625 incubator with gravity flow circulation provides accurate, efficient heating for routine laboratory procedures: drying and staining of slides, paraffin embedding, tissue-culture work, incubation of antibody tests, microbiological determinations, crystallization studies, and more. Electrical receptacle inside (5A at 120VAC) to plug in a stirrer, shaker, or other apparatus. The 2.5 cubic foot chamber is easy-to-clean stainless steel. The Fisher 625 incubator has a temperature range of 30C to 75C (86F to 167F) with 0.1C resolution. The average uniformity is +/-0.7C at 37C. The 625 incubator holds a maximum of five shelves (only one is included). This incubator has controls conveniently located at the top of the incubator chamber and a keypad with arrow keys to increase or decrease setpoint temperature in 0.1C increments. Overtemperature value is automatically set at 3C above setpoint.