产品描述： 3M 8822 Comfort Dust/Mist Respirator： The 3M 8822 respirator provides lightweight, effective, comfortable and hygienic respiratory protection against dusts and mists. The convex shape, twin strap design, foam nose seal and steel nose clip ensure a good face seal over a range of face sizes. The unique valve and collapse resistant shell offer durable, comfortable protection particularly in hot and humid conditions. FF