During heavy demolition and renovation work or when cutting and sanding concrete and hardwood, you need dependable respiratory protection. The Honeywell 5321 disposable respirator in size M/L provides certified FFP3 protection in accordance with en 149: 2001 against hazardous fine dust, toxic mists, and airborne aerosols. Having passed the dolomite clogging test, the filter medium resists clogging to maintain low breathing resistance throughout demanding tasks. The integrated exhalation valve quickly releases heat and moisture, while the preformed nose bridge, adjustable head straps, and soft inner seal ensure a secure, comfortable fit during long work shifts.