Moldex N95 Plus Relief From Acid Gasses Particulate Respirator With Exhale Valve 2500 (Bag of 10)The Dura Mesh shell, exclusive to Moldex protects the filter media so it stays cleaner looking longer. The shell resists collapsing, even in heat and humidity so the respirator holds its shape longer. The result is fewer respirators used and lower costs. The molded nose bridge provides the wearer an easy comfortable fit. Theres no metal noseband to adjust, and the seal is maintained with less pressure. The Softspun lining is soft to the touch, which