Disposable Masks Valved White/Blue, FFP2, Filters Dust/Mist/Particulates, Pack of 10 The 3M™ 8822 respirator protects against a variety of fine dust and non-volatile oil and water-based mists. Featuring the unique 3M™ Cool Flow™ valve, heat build-up is expelled to allow for user comfort, particularly in hot and humid conditions. Features