halogen heaters tube 1,white coating tube 2,highly heatproof wire 3,firmly heating 4,German technology ... high-efficient infrared industrial electric halogen heaters tube 1,produce maximum output in form of heat energy2,adopt firmly burnt-in heating ... to 550VWave length 2.4-4μm , middle-waveMax length of tube6000mmGuarantee hour20000 hoursExport Markets: North America, South America, Eastern Europe ...