... Celsius freezer to storage virus,germs,blood plasma,blood,skin,bone marrow,sperm,biology product and others. -40°C Deep-low temperature ... electronics, piscatorial and other areas; Temperature controlling: Microprocessor-based temperature controller from Carel, -10°C~-40°C can be set freely , ... . Using latest environmental insulation technology. -40degree Celsius Deep-low temperature storage freezer