Features: N95 Folded valved mask is suitable for protection against mechanically generated particles down to 1 micron, such as dust and mist. The P3 niosh respirator breathing mask N95 cup shape conforms to European EN149:2001 FFP2 standards. FFP3 Disposable N95 Valved Dust Mask PM2.5, or FFP - Filtering Face Piece Masks, are available in three classes P1, P2 and P3 providing differing protection factors (levels). P2 mask is with filtration efficiency at least 99%. Part 2: Basic Info Standard: FFP3 Shape: N95 valved dust mask without active carbon and valve Part3: Features *Light and comfortable *Soft inner materials *Valved germ mask n95 with adjustable nose clip reduces potential for eyewear fogging and helps ensure a better seal and fit. *Braided two-strap design Hot Tags: niosh n95 dust mask, disposable dust mask, dust mask for industry, China, suppliers, manufacturers, factory, wholesale, customized, cheap, price, made in China. Product nameNiosh N95 mask with exhalation valve ShapeFolded or butterfly shape Loop typeNiosh n95 respirator masks with ear loop ColorWhite CompositionNon woven + 25g Melt-blown fabric (95%) + 25g Melt-blown fabric (95%) + hot air cotton + non woven Period of validity3 years unopened CertificatesEN149:2001 FFP3 /CE Filtration鈮?9% Packing option 1 box10pcs/box, 100boxes/ctn; 1000 pcs /ctn; Ctn size: 65*29*42CM; G.W.: 8.5 kgs/ctn Sample termFace mask sample is free ApplicationExcellent bacterial and particle filtration combined Product sizeSize 15.5*10.5CMNIOSH N95 Face Mask With Valve price website:http://www.yushenglbb.com/niosh-mask/niosh-n95-face-mask-with-valve/