co2 laser tube 1).Co2 glass laser tube. 2).Long life time, 3).Imported mirror 4).Safely wooden packing.... co2 laser tubeCO2 Laser tube-It's special glass tube mainly contains CO2 complemented ... voltage. It is widely used for Industrial Cutting, Laser Engraving, Laser industrial processing, Quencher, Cutting & Engraving on Leather, Laser Medical Machine, Infrared detecting, etc.function ...