EN 170 is the European standard for ultraviolet filters and UV rays protection, and refers to the requirements relating to the transmittance of the filters for protection against ultraviolet radiation. Our range of EN 170 Face Shields includes the best possible lenses with ultraviolet filters to shield your eyes from the dangers of UV light. If you have any questions or need a product recommendation, do not hesitate to contact our customer support team on 020 7501 0594 or via our Contact Us page.