Powerful Laser Tube: M80 laser tube, rated power 90W and peak power 100W. Outer diameter is 80mm and length is 1250mm. TEM00 mode. It is suitable for replacing the same power or length laser tube. Please make sure the tube fits your machine before ordering it. MCWlase Service: Customer satisfaction is our eternal pursuit. We provide 10 months maintenance period for 90W laser tube (exclude the man-made damage). If there are any issues with the laser tube, please contact our customer service to replace the defective one(including transportation damage) via Amazon. MCWlaser engineers will also provide prefessional support and advice at any time. Long Lasting & Outstanding Performance: MCWlaser laser tube use High-quality boron silicate glass material, premium II-VI infrared lens, nano gold catalyst coating and full of catalyst in the tube to ensure the longer lifespan. Offer superior heat dissipation, high spot concentration, high energy density as well as good and stable spot. Easy Install & Operation: The positive and negative pole of laser tube have been welded and sealed in advance. The high and low voltage port have been connected by the high voltage connector. It can simplify the installation process and save your time. NOTE: Each MCWlaser laser tube is tested before shipping and we will provide a safe packaging. US warehouse stocks. It is recommended to use a laser power supply that matches the laser tube. MCWlaser 90W glass laser tube