V Series Laser Tube. CO2 Laser Optics. TR40 --- 40W CO2 Laser Tube With Red Pointer. All Products.Download files and build them with your 3D printer, laser cutter, or CNC. Thingiverse is a universe of things.
The diameter of the tube is 50mm (approximately 2 inches). The length of the tube is 712mm (28 inches) This CO2 Laser Tube has an inlet and outlet for water cooling and wire connections for the anode and cathode sides of the tube.