Quartz Laser Protection Lens Safety Protective Window For Laser Cutting Welding (30*5)

1、Made of high quality quartz material sturdy and durable to use. 2、The protective window which will be used at laser cutting head to protect the focusing lens in case of damage. 3、Double-sided coating process exquisite workmanship. 4、High accuracy machining good product quality. 5、The protective lens made of quartz substrate can withstand high temperature and has high light transmittance suitable for machines over 200W.