... quartz tube playing a radiation role promptly, also supporting Quartz heater case or box1) 122 x 62 x 25mm, 122 ... 306 x 25mm2) Sizes according to customers' requirements Spiral quartz heater:Sizes according to customers' requirements application: Mainly apply to car ... environmentalist, semiconductor, water treatment, food processing, analytical, pharmacy industry field. Sell Quartz heater case or box