3M 4255 mask

* Lightweight and balanced low-profile design, for unobstructed peripheral vision * Integrated filters, ready to use, without the need for assembly or maintenance * Soft and perfect fit on the face, made of hypoallergenic material * Adjustable head straps and easy fastening of the neck strap * Central exhalation valve, helps reduce heat and water vapor development * Includes a resealable bag for hygienic storage and transport