3M Aura 9320+ FFP2 Disposable Foldable Half Face Mask without Valve (Pack of 20)Use 3M Aura Particulate Respirators 9300+ Series for comfortable protection against dusts and mists in a wide variety of industrial applications and other hazardous environments. The 9300+ series offers FFP1, FFP2 and FFP3 protection, in both valved and unvalved models, and allows you to talk and work in comfort. The 3 panel design allows for greater facial movement, while the sculpted, low profile style of the embossed upper panel creates an