These low-cost incubators feature corrosion-resistant aluminum chambers with 1" (2.5 cm) fiberglass insulation (except I0960-5/5E) for greater temperature uniformity. Adjustable bimetallic thermostat controls heat in thermally conductive chamber. Pilot light indicates when heaters are active. Specially designed shielded heating elements eliminate safety hazards of pen wire elements. Choose a model with a Plexiglas door option for unobtrusive viewing of samples to eliminate temperature changes from opening and closing the door. Other models come with a rugged metal door that has a positive latch to provide an excellent seal ensuring temperature stability and uniformity. I0960-5/5E is an educational incubator, for egg incubation. Unit not intended for clinical use or microbiological and biochemical studies. Temp. Control: ±1° C @ 37° C.