Since1987, hot watt industries have been the topmost manufacturer of industrial heating elements. Long life `u` shape air and finned air heaters with m. S. Fins [cr-ni steel tube] are special type of industrial heating elements. Long life `u` finned air heater is made of chrome- nickel, sheathed heating element fitted with 35mm and ms finns on top with adjustable brackets and heavy duty brass terminals. Long life `u` finned air heater is of valuable use in industrial processes, re-circulating ovens, comfort heaters, air ducts, load resistors, sauna bath heaters and humidity control units.