MCWlaser 40W CO2 Laser Tube Glass Laser Tube with Length 700mm Dia.50mm 35-45W Laser Tube With Coating Cable Preconnected. 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.
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