N95 safety mask

polyesterbox of 20white

144 mm * 117 mm * 53 mm (±10%) 20pcs / box, 240pcs / box Model: cup type Product color: white Main ingredients: 87.6% polyester staple fiber / 12.4% melt-blown fabric Validity: three years Execution standard: the U.S. NIOSH N95 matt, 9500 - N95 goblet dust mask conform to NIOSE ul, N95 respirator, ergonomic design, goblet, wearing comfortable, no odor effectively filter dust, respiratory resistance is small, effective protection of oil particles, soft metal stents let bridge of the nose section and the mask get closed. Side effect in more than 95%, mainly used in construction, mining, pharmaceutical, materials processing and grinding etc.