The main manufacturers of Environmental chambers are Lunaire, Associated Environmental, Forma, Thermo Scientific, Thermotron, Caron, Environmental Specialties, Espec, Hotpack, Sanyo, Tenney, Ascott, Heraeus, Percival.

The main model : SC / KWT 450,3510,SM-8-8200,6510,CC450iP,HC 0057

HS CODE 8419 1190 ,Machinery, plant or laboratory equipment, whether or not electrically heated (excluding furnaces, ovens and other equipment of heading 85.14), for the treatment of materials by a process involving a change of temperature such as heating, cooking, roasting, distilling, rectifying, sterilising, pasteurising, steaming, drying, evaporating, vaporising, condensing or cooling, other than machinery or plant of a kind used for domestic purposes; instantaneous or storage water heaters, non-electric