Strip Heaters (Mica Refractory Insulated) are made from Kanthal make wire element supported on Mica Sheet or in Fluted Refractory, which is sheathed in rust resisting steel. End-tab holes are provided for mounting. Applications: Provides black heat in ovens, Industrial and commercial heating chambers converters & panel boards. Finned Strip Heaters are basically Heavy Duty Refractory insulated strip heaters with locked on fins for fast transfer of heat to air. Application: In forced air ducts, blowers units, ovens, dryers etc