3M 9332 + Aura Particulate Respirator, FFP3. Features: The 3M 9332 + Aura Particulate Respirator, FFP3, delivers comfort and style without compromising performance. With 3M's innovative new low-resistance filter technology, you can breathe more easily with less effort. It provides protection against dust for a wide variety of industrial applications and other situations requiring FFP3 protection.