Inside made of Stainless Steel Temp. Range is ambient plus 5 Deg. C. To 90 Deg. C. Temp. Controlled by PID controller with Pt100 Sensor. This chamber has Air Circulating fan to ensure Uniformity of Temp. A carrier to hold Bottles(6 number of 60 mm DIA x 200 mm Depth) can be easily placed on front of rotater Mechanism any bottle can be taken out easily From the carrier. The carrier rotates with bottles parallel to The door at a variable speed of 2 to 16 RPM. Viewing glass window in the door allows inspection of the specimen inside the chamber.