3M™ 051141-90473 Disposable Respirator With Cool Flow™ Valve, Universal Mask, Cup Mask, Filter Class: N95, White Drywall Saws Adjustment screw gears designed for

Adjustment screw gears designed for smooth adjustment

Vent slots designed to direct exhaust air away from the user

Perma-Shield® non-stick coating reduces blade drag

3/16 to 5/8 in Aluminum

3M™ 051141-90473 Disposable Respirator With Cool Flow™ Valve, Universal Mask, Cup Mask, Filter Class: N95, White Drywall Saws Adjustment screw gears designed for3M Disposable Respirator, Universal Mask, Cup Mask, Filter Class: N95, Adjustable, External Nosepiece, Fiberglass Facepiece, Dual, Non Adjustable Headstrap, White, Latex FreeFeatures: NIOSH approved N95 for at least 95% filtration efficiency against solid and liquid aerosols that do not contain oil Helps filter pollen, mold spores and dust particles encountered during outdoor activities such as gardening, cutting firewood, raking and mowing 3M Cool