When installed in an ESS FirePro-1971 Series firefighting goggle, this FirePro-1971 Clear Replacement Lens is certified as compliant with NFPA 1971-2013 Edition, including the 500°F for 5-minute oven test. This high-impact, 2.8mm polycarbonate replacement lens also meets and exceeds the requirements of ANSI Z87.1-2015 and CE EN 166. It is U.S. Federal OSHA compliant, and is considered Primary Eye Protection by NFPA 1500, all while providing 100% UVA/UVB protection and distortion-free optical clarity. Per the requirements of NFPA 1971, this NFPA-compliant lens is only available in Clear.