4 Pack 3M 8511 Disposable Dust Mask With Valve Particulate Respirator 10 per Box
3M Particulate Respirator 8511 is 3M recommended for sanding and working with fiberglass insulation and drywall sanding. Cool flow exhalation valve allows easy exhalation and heat reduction, which provides cool, dry comfort. NIOSH appoval: N95. It is ideally suited for hot/dusty work settings that require long periods of wear.