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
Top Offer! 40W CO2 USB laser Engraving Cutting Machine Engraver Cutter 220V/110V | eBay
Amazon.com: TEN-HIGH CO2 Engrave Machine 40W 300x400mm Laser Engraving Machine with Exhaust Fan USB Port