3M FFP2 Aura Dust Mask gives reliable and comfortable respiration protection in hazardous environments. The mask benefits from a 3 panel flat fold design and has been made using 3M Advanced Electret Media (AEM). This is a high performance material that has been engineered for easy, unrestricted breathing. The mask also features the 3M™ Cool Flow™ Valve, reducing heat build-up for users working in hot and humid conditions.