Fuji Soft Surgical Mask 50 masks per box x 10 boxes A mask suitable for a wide range of uses. [Product Features] * Protects effectively with a 3-layer structure and high-quality filter. * Employs a high-quality filter with a filtration efficiency of 99% or more. * Wide, soft, flat ear loops on the outside reduce strain on the ears and ensure the mask fits the face. The outer side of the mask is marked with the letters "OUT". * PFE (Particle Filtration Efficiency) ≥ 99% (0.1㎛) * BFE (Bacterial Filtration Efficiency) ≥ 99% (3.0㎛) * VFE (Viral Filtration Efficiency) ≥ 99% (3.0㎛) For protection against viruses, colds, pollen, house dust, yellow sand, PM2.5, etc. Suitable for use in medical institutions, nursing care facilities, food processing, and other wide-ranging applications.