1.N95/EN149:2001/FFP2 standard 2.competitive price 3.Low respiratory resistence 4.High filtrability Information details: 1) Meeting the international quality criteria(Europe): EN149: 2001, EN13274-7: 2003, EN143: 2000 CE0121 2) Made with multi-layered nonpoisonous, non-allergic, non-stimulating materials. 3) Adjust the bandage strip and the built-in bandage foam cushion to adapt to various face-shapes with comfortable sealing. 4) The high-efficient and strong electrostatic filtering materials effectively filter the solid particle dust, and prevent the oil liquid gas. 5) Use for construction, mining, textile, grinding medicine, disintegration projects, cement, agriculture and animal husbandry, cutting dust, pollutes from heavy metal. Packing: 20PCS/box, 20boxes/CTN; Size: 62*26*34CM G. N/W: 6/4KGS Shelf life: 5 years. Storage conditions:Maximum humidity: <85%; temperature range:-17°C ~ +32°C