40W CO2 Laser Tube with Metal Head - Laser Engraver Parts - OMTech – OMTech Laser
GSI HLC130 Dia80mm CO2 Laser Tube 130W for Cutting Ship from Germany
Amazon.com: Cloudray 40W Laser Tube 720mm Dia.50mm,CO2 Laser Tube 45W,Cable Preconnected with Coating,40 Watt C02 Laser Tube With Metal Head (CR35 35-45W)
40W CO2 Laser Tube with Borosilicate Glass - Laser Engraver Parts - OMTech – OMTech Laser
Amazon.com: SenTECH 40W CO2 Glass Laser Tube 700mm Length Dia 50mm for Laser Engraving and Cutting Machine (Buy More Discounts) : Arts, Crafts & Sewing
40W CO2 Laser Tube 700mm Long 50mm Diameter With Metal Head 5000hr Service Life for Laser Engraver Cutter Laser Engraving Machine FDA Approved
Source JinShiDa factory 40w laser tube/50w co2 laser tube and cutting machine tube 700mm/800mm*50mm on m.alibaba.com