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VEVOR VEVOR Laser Tube 40W CO2 Laser Tube 700mm Glass Laser Tube Professional Special Coating Technology Tube Laser Cutting Tube for Laser Engraving Machine and Cutting Machine | VEVOR EU
Amazon.com: Cloudray CO2 Laser Tube 40W 45W Length 720mm Dia.50mm Glass Tube With Metal Head For 35-45W CO2 Laser Engraver Cutter : Arts, Crafts & Sewing