Moldex N99 Medium. Large Premium particulate respirator features Dura-Mesh shell that provides resistance to collapsing in heat and humidity. It has Softspun lining and pinch-free molded nose bridge for added comfort. Respirator has exhale valve to let workers breathe easy or stay cool and straps to securely attach so they don’t break at the seal. Respirator face piece is naturally contoured without pressure points. It has applications in welding, soldering, brazing, torch cutting, metal pouring and dusty environments. It meets ANSI ISEA 110-2003 requirements.