• Material: Hight class CVD Znse material (US II-VI)
• Diameter: 19mm/0.75"; Focal Length:50.8mm/2";Thickness:2.2-2.3mm;Transmittance: ≥99.5%
• Double-sided solid coating,Wiping resistant,Extended durability,Precision slicing polishing and grinding processes,High temperature laser resistance,Excellent optical properties,High working efficiency.
• It's good for 40W,50W,60W ,80W,100W,130W,150W,180W,200W CO2 laser 10600nm 10.6um.
• It can be used for CO2 laser engraving and cutting well.

Shipping Note: Shipping to Alaska, Hawaii, PO Boxes, and APO addresses is not available for this item

Warranty: 90 Day Woot Limited Warranty