Energy Saving, High lumen maintenance, long life, High heat and mechanical resistance Gold Coated Quartz Heater1)Multi burning position version, featuring pressure krypton gasfilled and 3-coil support rings. Life time extended to 2000 hours.2)Clear Or Frosted quartz glass tube.3)UV-stop Version featuring the use of special quartz glass to stop the emission of UV rays.Feature:Energy Saving, High ...