3M 9162V FFP2 Valve Dust and Mist Mask (15 Pieces) Features: 3M™ VFlex™ Particle Dust Mask 9162E provides economical FFP2 protection. It features a special 3M filter material and a valve that makes breathing easier, with a bendable, V-shaped corrugated design. Our lightweight, disposable dust mask folds flat for easy storage. It includes an embedded, adjustable metal nose clip for a secure seal, and side tabs for easier positioning on your face.