... co2 laser tube 1:used in laser machine 2:long life laser tube 3:high power ... spot laser tube Parameter 1:long work life, 2:high and stable power 3:small beam spot ... tube Founction(1)industrial engrave and cut , medical(2)applicable material:leather, cloth,glass, stone,acrylic,wood, ... laser tube warranty for 4months2:the reci laser tube warranty for 10 months Basic information:Sell:laser machine, kinds of ...