The Moldex FFP3 Valved Respirators are comfortable enough to wear for long periods of time, whilst still offering high levels of protection against hazardous substances. The FFP3 Valved Respirator's ActivForm design means no nose-clips are required and the mask automatically fits to the face DuraMesh formation ensures the mask is sturdy Ventex-valve starts to open at low exhalation pressure and notably reduces moisture and heat inside the mask The user can experience better breathing resistance for longer, due to the mask having passed the Dolomite clogging test, which checks whether the mask maintains a good level of breathing resistance after being subjected to high levels of dolomite dust Adjustable straps 100% PVC free Single use only - non-reusable FFP3 - protects against harmful and carcinogenic dusts, water and oil based mists / aerosols, biological agents of risk group 2 and 3, CMR-substances Meets the requirements of EN149:2001 + A1:2009