Offering fantastic working comfort, the 3M 4251+ half-face respirator mask features an enhanced low-resistance valve and a lightweight, well-balanced design to make it easy to wear. It’s also ready to use and maintenance-free, and like other respirators from the 3M 4000 Series, it incorporates a central position for the exhalation valve to help reduce build-up of heat and moisture to keep you cool, calm and collected. Learn more… • Reusable half-face mask with inbuilt gas and particulate filters • Enhanced valve to offer lower breathing resistance and improved comfort • Soft, textured face seal is non-allergenic and silicone-free • Lightweight and well-balanced • Centrally positioned exhalation valve helps reduce heat and moisture build-up • Integrated filters are maintenance-free • Adjustable and easy-to-use head straps fit a range of head sizes • Designed to avoid impacting peripheral vision • Dolomite-tested to resist clogging for longer • Protects against particulates and organic vapours with a boiling point greater than 65°C up to 10 x Workplace Exposure Limit (WEL) or 1000 ppm (whichever is lower) • Supplied with resealable bag for hygienic storage and transportation
