3M 9000ING (Pack of 50) with 9004GV (Pack of 50) Combo P1 Class Mask & Respirators  (Grey, M, Pack of 1)

3M 9000ING foldable dust or mist particulate respirator, disposable, foldable, twin strap, nose clip. The 3M 9000ING is composed of three layers of filters. The 3M 9004 IN is a dust mask composed of three layers of filters. The outermost layer filters out the largest dust particles, the innermost layer preserves the respirator’s shape and the middle layer is composed of electrostatic filter media. It has the ability of this respirator mask to filter above 90 percent of 0.3-micron particulate dusts. Scientific research has proven that for all dust particles sizes, 0.3 micron dust are the most difficult to filter effectively.