Lightweight, foldable and designed to protect you from pollutants and dust, the lightweight 3m reusable mask uses a variety of innovative features to help you meet your respiratory protection and comfort needs. By incorporating 3M’s proprietary technology – the electrostatically charged microfiber filter media. These highly charged microfibres greatly enhance the capture of airborne particles. Its adjustable nose clip help provides a custom fit with a secure seal and reduces the potential for eyewear fogging. The 2 strap design provides a secure fit. The masks are foldable and easy to carry as well.