TEN-HIGH CO2 Glass Laser Tube 40W 700mm Length(Peak 45W), 50mm Diameter for Laser Cutter and Engraving Machine(Upgraded Version, Easy Installation and Stable Power)

Notice: 1. To purchase a laser tube,please confirm your machine's installation space,like the diameter and length, all should be a little bigger than the laser tube's size. (Due to different measuring tools and methods,there will be slight errors in length and diameter) 2. We will provide a safe and reliable packagingHow to insatll the laser tube correctly: 1. First,connect the positive and neg...