Sirchie Dust Respirator Mask, Set of 20

The Sirchie Dust Respirator Mask has multi-layer high-performance filter material that offers a superior level of filtration efficiency. The DRM001's ergonomic shape and nose pad provide additional sealing protection for various facial shapes and an extra wide nose sealing pad. The continuous looped harness comes with a unique strap tension adjuster for user comfort. NIOSH Approved: N95 - at least 95% filtration efficiency against solid and liquid aerosols that do not contain oil.