The sample size is random and not exact (the size does not exceed 100*90mm), it is just for test and evaluation.
Please don’t buy it if you mind.
Laser Window Sample
There is no guarantee policy for sample.
The sample size is about：
W1:80X80mm Protection Range 190-550nm OD4
W3:80X80X5mm Protection Range190-450nm & 800-1100nm OD4
W3G:100X80X5mm Protection Range190-550nm & 800-1100nm OD4
W4:100X76X5mm Protection Range190-450nm & 800-1700nm OD4
W5:100X80X5mm / 200×75×5mm Protection Range 190-420nm & 850-1300nm OD4 
WUB: Protection Range 190-450nm OD4
WCO2: Protection Range CO2 10600nm OD4

Standard size Laser Window Introduction:
The standard size is length 1280mm, width 1000mm, thickness 5mm, different models offer different prices. Cutting the standard window into the size according to your requirements is free. If you need the standard size and need to cut the sheet, please contact us for customization.