Crews Clear Over The Glass Anti Fog Unit PK

Crews Clear Over The Glass Anti Fog Unit PK. The anti-fog inserts provide added optical clarity by transmitting a clear optical image to the eye that reduces or eliminates glare from the Glasses. The anti-fog inserts also reduce or eliminate steamed up eyelets that allow fogging or fumbling when wearing Glasses with a lab hood or respirator. Ordering Information: All goggle straps are color coded. The color coding system starts with the frame and ends with the inserts. Once you receive your wov