Puri CO2 Laser Tube(id:8503182) Product details - View Puri CO2 Laser Tube from Puri CO2 Laser Tube Factory - EC21 Mobile
Amazon.com: HUNST 40W/50W Co2 Laser Tube Length 700mm/800mm Diameter 50mm with Metal Head 3000 Hours lifespan for CO2 Laser Cutter and Engraver. (SP 40W A)