FFP3 masks from NSS. FFP3 compliant respirators from a range of brands including Respair, Draeger, Uvex, Moldex and 3M. FFP3 respirators are typically used for higher level fine dust/oil or water based mists (hazardous pharmaceutical powders, biological agents and fibres). Suitable for use in asbestos removal. All these respirators comply with European and British legislation, including EN 149. These face masks filter a minimum of 99% of airborne particles.