he 3M 8835 P3 valved dust & mist respirator mask brings the winning combination of comfort and enhanced performance, giving you protection against high levels of dusts, mists and metal fumes. Like all 3M products the 8835 P3 respirator masks are high quality, very comfortable and light weight. These respirator masks are designed to deliver a secure fit to the user as they include an adjustable nose clip and also 4 point adjustable straps.