Work this CE and other elements in the vector quartz tube can effectively prevent UV-B and Uv-C ultraviolet (UV) radiation and the Uv-A firewood outside of the most of the radiation is a manufacture almost all anti UV, with maximum visible transmittance of ideal material can be used in quartz halogen lamps, gas lights and other UV light source, which can effectively prevent is often caused by ultraviolet radiation is harmful to human body, object, and can maintain the visible light to reach the maximum transmission efficiency.