OMTech DF0812-40BW 40W 8x12 in K40 CO2 Laser Engraver Engraving Marking Machine | eBay
Amazon.com: Cloudray 40W Laser Power Supply for CO2 Laser Engravers, Laser Engraver Power Supply 110V/220V Power Supply Replacement for 30W 40W Laser Tube Laser Engraving Machines(Model B) : Arts, Crafts & Sewing
40W CO2 Laser Engraving & Cutting Machine 12" x 8" Laser Engraver w/ USB port | eBay