5pcs QILIN Laser Protective Windows Lens 30*5mm For BWT20 Laser Cleanin Gun Head
5pcs/Lot QILIN Laser Protective Lens 20 2mm 30 5mm Windows For BWT20 21 22 DWT20 BWT30 BWT30C Laser Welding Cleaning Gun Head. Compatibility:Perfectly designed for BWT20, 21, 22, DWT20, BWT30, and BWT30C laser welding and cleaning guns.