... red quartz tube element for home heater ISO9001 High quality Long life more than 8,000hrs efficient and economical About red quartz tube:1 ... . 2.Clean: No byproducts, no pollution. 3.Safe: Quartz envelope, heat shock resistant. 4.Economical: More than eighty ... one thousand five hundred nm. Application: -Home heating: Heater,oven,stove,baker,toaster,flooring -Industrial heating: Automobile,equipment, ...