120W CO2 laser tube for non-metallic materials: 1New generation tech 2Application:Engraving,Cutting,Marking 3Long lifetime,s Laser tube: ... applied in engraving &cutting machine ,laser marking machine.Reci laser tube:Laser Tube Type : W4Laser Power : 120WMax Laser Powe : 135WTube Length : ... 10,000 hoursLaser Power Type : DY13Warranty :8months 120W CO2 laser tube for cutting acrylic(RECI-W4)