Comfortable, full-size mask keeps dust out, lets air in freely for dependable protection and easy breathing. For use around grinding and sanding operations, drilling in plaster or cement, cleaning dusty areas and similar applications. Double-absorbent filter material is non-allergenic. Elastic band and soft, flared edges make for a comfortable fit. Metal nosepiece conforms to fit snugly around facial contours. Mask stands out away from nose and mouth but wont collapse when wet from use or humidity.