Sport Mask With Exhalation Valves N99. Set of 20 activated carbon filter with 8 exhaust valves replacement unisex 5 layers protective filters for dust running, cycling, outdoor activities. 3.9 out of 5 stars 165.
It is ideally suited for hot/dusty work settings that require long periods of wear. Pure breathe mask filter technology hold most of the smallest polluting particles, like gases. Remove the breathing valve and filter before washing.
Pure breathe mask is designed to offer you a protection against viral contamination and pollution.
Washable composite waterproof mask is equipped with breathing valve and replaceable kn95 filter. Free shipping on orders over $25 shipped by amazon. To this day, the cdc recommends hospitals not use n95s with valves. 4.5 out of 5 stars 1,307.