Product Name: Protective Face Masks Kn95 3D Structure More Fitting Face Color: White Shape: Foldable Available Times: Disposable Age Group: Adult Style: Earloop Layers: 3 Ply Material: Non-Woven Filter Rating: Normal Trademark: With Logo Printing Transport Package: 15X13X22cm Specification: 1 box=50pcs, 1 carton=20 boxes Origin: China HS Code: 630790000 Product Description Protective Face Masks KN95 3D Structure More Fitting FaceDescription:1. BFE≥90% Bacterial filtration efficiency ≥99%.2. PFE≥90% Particular filtration efficiency ≥99%.3. Effectively isolating bacteria, pollen, dust, and haze.4. Differential pressure ≤29.4pa/m3.5. Made of high-quality non-woven fabric and filter paper which brings soft and comfortable perfect fitting.6. Meet ASTM F2100 Level 1/2/38. Applications: hospital, surgical, medical, dental, clinic, school, food industrial, clean room, laboratory, daily protection, etc. Features:(1. KN95: Effectively protect you from the virus.(2. Anti-fog: With aconcealed plastic nose built-in hidden cartilage bridge, it can be adjusted to avoid voids and reduce the inhalation of harmful substances.(3. High filtration: the inner layer can filter harmful gases or odors.(4. Comfort: Elastic ear-loops with no pressure to the ears. High-quality fabric to reduce skin irritation.(5. Folding: folding thin section, lightweight, and easy to use.Application:It is applicable to the environment where are lots of powder dust and mist produced by mechanical force in handling coal, iron ore and quartz mineral or processing cotton, wheat flour, and other materials, with the occupational exposure limits of 10 times and the concentration of dust and mist below the limit specified by local laws and regulations.It is especially applicable to preventing respiratory disease caused by haze, PM2.5 powder dust.