Product Name: Ce FDA Approved Factory Direct Sells N95 Face Mask Model NO.: HY8700 Logo Printing: Without Logo Printing Group: Adult Quality Guarantee Period: 5 Years Ethylene Oxide Sterilization: Without Ethylene Oxide Sterilization Material: Non-woven Fabric Type: Face Mask/Apron/Gloves Size: One Size Fits All Stock: Available Factory: Yes Certificate Approved: FDA Ce Package: 50PCS Per Bag or Box Function: Virus Protection Trademark: WuxinMed Transport Package: 20 Per Pack Specification: Unit weight: 0.28 kg Origin: China Product Description The N95 mask is one of nine types of particulate respirators certified by NIOSH, the National Institute for Occupational Safety and Health.N95 is not a specific product name, as long as it meets the N95 standard and passes the NIOSH review, it can be called N95 mask, which can achieve filtration efficiency of more than 95% on particles with an aerodynamic diameter of 0.24±0.6 m (physical diameter of 0.075 m±0.020 m).