The EL-3 is the NFPA 1971-compliant replacement lens for the ESS Innerzone™ goggles. The have been certified by independent test labs to meet or exceed all the standards associated with NFPA 1971-2000, including the 500 degree for 5-minute oven test.
Each 2.6mm high-impact polycarbonate lens provides 100% UVA/UVB protection.