... Shape Style 3.High filtrability 4.ISO/CE/Nelson Cone Respirator Mask Dust/Gas Mask Disposable Item pic Product Description ... mining, textile, grinding medicine, disintegration projects, cement, agriculture and animal husbandry, cutting dust, pollutes from heavy metal.6)Packing: 20pcs/box,20boxes ... . 9)Weight: 160g,180g,200g,220g,240g10)Size:Customize 11)MOQ; 100,000 PCS 12)Delivery Time :15days The ...