Double walled with inner chamber made of S.S and outer of thick PCRC sheet duly enamel painted. Temperature range from ambient to 20°C is achieved by hermetically sealed compressor. Body is mounted on sturdy angle iron frame and is mounted on castor wheels. Unit is fitted with solid state digital temperature indicator–cum – controller. Horizontal chest type models are supplied in a single compartment where as vertical models are supplied with three stainless steel storing shelves.