K40 Series Co2 Laser Tube 40W Length 700mm Glass Lamp For DIY Laser Engraving Cutting Machine 2030 K40 - AliExpress
MCWlaser CO2 Laser Tube 40W 50W 60W 80W 100W 130W 150W 180W For CO2 Laser Engraver Universal Model
Startnow 40W Co2 Metal Glass Laser Tube 700MM For CO2 Laser Engraving
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. (EFR-800CL (45~50W))
1 pcs 700mm Length Co2 40 Watt Laser Tube , 40W Co2 Laser Tube
Cloudray 40W Co2 Laser Upgraded Metal Head Tube 700MM Glass Pipe Lamp for CO2 Laser Engraving Cutting Machine - Tiny Deal
High Quality Laser Engarver Parts | 40W CO2 Laser Tube — Monportlaser
Cloudray 60W 90W 100W 130W CR Series Upgraded Metal Head CO2 Laser Tub – Cloudray Laser