The STANLEY(r) FFP3 R D Lite Pro Dust Mask Respirator offers protection from dust, metal fumes, oil, water mists and micro-organisms. It has a fully elasticated strap for the ultimate face seal that offers an ultra-low breathing resistance using Hepac-lite (r) filter technology. The multi shift respirator has a downward facing exhalation valve to prevent fogging of glasses. Hypoallergenic, latex and silicon free. Made in the UK. Conforms to EN149:2001 A1:2009. Hepac-Lite(r) filter technology removes 99% of all airborne particles.