3M™ Aura™ Flat Fold Particulate Respirator 9422+, P2, valved (Pack of 10)The Aura 9422+ disposable respirator is specifically designed for the food and beverage manufacturing industry and for those that requires staple free and or visually detectable respirators, like the pharmaceutical industry. The Cool Flow exhalation valve in 9422+ respirator helps with worker comfort especially when working in hot and humid conditions. It is compatible with other 3M personal safety products, such as eyewear and earplugs. Protection