Moldex 2300N95 Particulate Respirator With Exhale Valve, 10/BoxMoldex 2300N95 Particulate Respirator With Exhale Valve, 10 Box Exhale valve lets workers breathe easy and stay cool Dura Mesh shell resists collapsing in heat and humidity Molded nose bridge seals easily without a metal noseband Facepiece is naturally contoured for less pressure Straps are securely attached so they don't break at the seal Softspun lining for increased comfort and durability Soft foam nose cushion for added comfort