The STANLEY All-In-One Visor & Dust Mask Respirator has a specifically angled grill design that protects 100% of the filter surface area from particulates directly clogging the filter. This ensures better filtration efficiency and breathing resistance. It provides protection from dust, metal fumes, oil, water mists and micro-organisms. Advanced Face-Fit-check technology allows face seal validation to ensure less inward leakage before use. A fully elasticated 2 point strap mechanism allows easy adjustment, and the head pad provides maximum comfort. Hypoallergenic, latex and silicon free. Fitted with a class 1.B.K.N  medium impact, anti scratch and anti fog coated lens, all conforms to EN166. Comes complete with a pair of P3 replaceable filters, offers maximum filtration up to 99.99%.Made in the UK. Conforms to EN140:1998 & EN166.