It is specially designed for incubation of Biochemical Oxygen Demand for Water & Sewage, environmental study etc. Inner chamber and trays made of S.S. Outer door made of M.S., with magnetic gasket & lockkey arrangement. inner door is a-full length glass door. Trays are ADJUSTABLE at any distance in a chamber. Digital temp. controller for cooling & heating system. Supplied with Refrigeration system,forced air circulation system, Fuse etc, & Castor Wheels for easy movability.