Abatement Technologies, RS920-EVC N95 Mask with Exhalation Valve is the most common of the seven types of particulate filtering facepiece respirators
Abatement RS920-EVC N95 Mask filters at least 95% of airborne particles but is not resistant to oil
RS920-EVC N95 Mask features adjustable metal nose band, exhalation valve, Polyester/Polypropylene, and is one size fits all
Four packs of 10 pieces, total quantity of 40 mask.
