3MR9211 / 9211 RESPIRATOR DISPOSABLE N95 FOLDED 3M™ Particulate Respirator 9211, N95 Three-panel, low-profile 9211, N95 particulate respirator features soft cover web on inside panel and conformable nose clip with the addition of the 3M™ Cool Flow™ Exhalation Valve for easy exhalation and cool, dry comfort. Individually wrapped. Sold per box.