3M™ 8240 R95 Particulate Disposable Respirator – NIOSH 42CFR84 (20 Per Box) 3M™ respirators are designed to help provide worker protection against a variety of airborne contaminants. Their innovative lightweight construction promotes greater worker comfort and acceptance and contributes to increased wear time. Applications include: Grinding, Sanding, Sweeping, Machining, Other dusty/oily operations