These heater are made of Incoloy, Chrome Steel sheated Tube Consist of mgo Compacted heating element available in ‘U’ shape with mounting bracket. Made as per required size with or without MS-SS fins for rapid and uniform heat transfer for forced air heating. Size : 6.70 mm , 8.20mm, 10.80 mm od Application : Industrial Air heating, Packaging ind., Pharmaceutical Ind., Ovens, Air Conditioning systems & Laboratory Instrument, Textile, Printing, Corrugation Machine, Humidity control units, Plastics industries.