3M 9320A Aura FFP2 Dust and Mist Mask Features: 3M™ Aura™ Particle Respirator 9320+ offers comfort and style without compromising performance. With 3M's innovative new low-resistance filter technology, you can breathe with less effort through your respirator. It protects against dust and mists for a variety of industrial applications and other situations requiring FFP2 protection.