Catalog number: FG-175OMEGA Features: ●The pleats are made in a double omega structure, which provides ample space around the mouth and fits the cheek area. ●The adhesive part of the ear rubber is placed on the outside to prevent rough skin. ●The easy-to-use nose bridge (made of PET resin) makes it easy to put on. Uses: ●To prevent saliva from scattering. ●To keep out dust. Specifications: ●Size: One size fits all ●Height (mm): 90 ●Width (mm): 175 ●Color: White ●Structure: 3 layers ●PFE (particulate filtration efficiency): 99% ●BFE (bacterial filtration efficiency): 99% ●VFE (viral droplet filtration efficiency): 99% ●Pollen (pollen particle collection efficiency) 99% ●Ear-hook type ●Not individually wrapped
