Product category: Product Center respiratory protection

Product Description: Color: gray Product Description: kn95 grade, high efficiency middle anti-static filter cotton, activated carbon filter cotton layer, thickened sponge nose pad, adjustable nose clip, high performance breathing valve, convenient exhaust executive standard: GB 2890-2009 European standard: en140-1998 function: dust proof, chemical splash proof, particle size: adjustable applicable crowd: both men and women Package specification: 15 pieces / box, 20 boxes / box, outer box volume: 0.62 * 0.27 * 0.42m, delivery time: 5-30 days, suggested retail price: 4.1 yuan