30w co2 tube 1,Long life 2500 hours 2,Diameter:50mm 3,Length:1000mm 4,Used for laser cutting,non-metal materials,etc 30w co2 tube specification: We produce sealed CO2 laser tube 20W, 30W, 35W, 40W, 60W, 65W, 80W, 100W, 120W, 130W,150W,200w with excellent quality. Nantong Bil Laser DevicesCo.,LTD is specialized researcher in laser field, we are now professional manufacturersand exporter in China ...