3M Sanding Respirator helps provide protection against certain non-harmful dusts when selected and used in accordance with all instructions. This disposable respirator is lightweight and easy to breathe through for comfort. Good for light sanding and sawing tasks that don’t kick up harmful dusts.3M Sanding Respirator helps provide protection against certain non-harmful dusts when selected and used in accordance with all instructions. This disposable respirator is lightweight and easy to breathe through for comfort. Good for light sanding and sawing tasks that don’t kick up harmful dusts.