transparent high purity quartz heater tube transparent high purity quartz heater tube is one of infrared heating element, which is the most efficient and mostenergy-saving type in the heating area. It can not only improve your heating speed by higher power,  but also it will help you save more enrgy by using the shortwave infrared heater to replace the other heaters. transparent high purity quartz heater tubelamp model: swir-10500tube coating: golden reflectorlamp length: 500mmactive length: 440mmvolatge: 220vpower: 800wcable length: 600mmcolor temperature: 2000-2700kwavelength of infrared radiation: 0.75-1.4um ir benefits and features                                                                                                long lifemore than 5000h high speedwithin 1 second to switch onhigh efficiencymore than 85% heat efficiency of full powerhigh power densityup to 200w/cmhigh control abilityneither ballast nor special circuits are necessary for basic usageno air droughtsbecause of radiation(like solar energy)clean and odorlessno risk of contamination over environment or target object to be heatedextensive assortmentmany types of voltage, wattage, length, base, cables, horizontal