The Skullerz 8997 Anti-Scratch & Anti-Fog Hard Hat Face Shield Replacement Lens is designed to securely attach to Skullerz 8996 Face Shield Adapter Frame or as a replacement shield for Skullerz 8994 Hard Hat and Safety Helmet Face Shield. When installed on adapter frame, it easily mounts on Skullerz Cap-Style Hard Hats and Safety Helmets for increased eye and face protection. Fog-Off+ technology offer enhanced scratch-resistance and exceeds ANSI/ISEA Z87.1-2020 requirements with improved anti-fog performance vs. original Fog-Off. UV Protective Lens filters 99.9% of harmful UVA, UVB and UVC rays to keep eyes safe in the sun. Durable polycarbonate lens is 2mm in thickness.