Ekastu Respiratory Protection Dust mask (no valve) 632078 - Ekastu 411 110, The Ekastu 411 110 dust mask is a piece of personal protective equipment designed for use in environments with non-toxic dust. It is an FFP1 disposable dust mask with no valve, conforming to EN 149:2009 standards. Typically, it is used in settings where low levels of fine dust particles are present, offering basic protection for everyday tasks. Ekastu 411 110 Mandil Dust Mask FFP1 No Valve 12 pieces Lightweight Comfort