Pay in 4 interest-free payments of $2.50 Learn more
Ships within 48 hours · Estimated delivery Aug 13 - Aug 18
fast shipping
（6）We have manuals and CDs (guide videos) for software installation
Supported languages: English
初次充气和再充气前使用寿命长达20000小时
Hunst China CO2 ZnSe Focus Lens Dia.12 18 19.05 20mm FL38.1 50.8 63.5mm for Laser Engraving Cutting Machine Spare Parts $100 - $400 fast shippingHigh quality ZnSe crystal: China PVD ZnSe material, Excellent optical properties, Up to 200W CO2 laser resistance. Superb coating process: Double sided solid coating, reduces laser loss, laser transmittance up to 99. 8%High precision process: Eccellent substrate Precise sling, polishing grinding processes, high temperature, laser resistance. 1. Use an air bulb to blow off any loose contaminants.(dust,lint particles) 2. Squeeze a few drops of acetone
