Amazon.com: Monport 40W Laser Engraver, 40W Lightburn (8" X 12") CO2 Laser Engraver & Cutter with Red Dot Guidance, 3 LED Monitor Display and Water Cooling System
Myjg 40w Co2 Laser Power Supply | 60w Co2 Laser Tube Power Supply - 40w Co2 Laser - Aliexpress
OMTech 40W CO2 Laser Engraver, K40 Laser Etcher | Ubuy Kosovo
40W CO2 USB Laser Engraving Cutting Machine K40 Engraver Cutter 220V/110V CNC With Digital Display for Plywood Acrylic