This face mask can be used in industries like chemical and steel plants, automobile, shipping, maintenance, utility supply and disposal. The X-plore 3500 is a robust but comfortable half mask which uses the bayonet twin filters from the Drager filter range. Reusable, premium quality half mask with dual filter bayonet connection. Mask made from hypoallergenic Dräger flex material for long term demanding jobs. Each mask is supplied with a re-sealable storage bag. Tested and certified acc. to EN 140 and NIOSH. For use with the X-plore Filter Series. Supplied without filters.