Naviguard Mask 50 pieces KM-1W 1 box (50 pieces)

Compliant with US medical mask standard "ASTM F2100-19" LEVEL 2. We use flat string type ear loops that do not hurt your ears. A mask with a three-layer structure and high-quality filters that protect against the intrusion and dispersion of dust, pollen, viruses, and bacteria, and is gentle on the ears and skin. Quantity: 1 box (50 pieces) Size: 175×95mm Material: Non-woven fabric/PP (3 layers), nose clip/PE, flat string ear loop/PU Bacterial Filtration Efficiency (BFE): 99% or higher Particulate filtration efficiency (PFE): 99% or more Viral filtration efficiency (VFE): 99% or more Liquid protection: 120mmHg (ASTM F2100-19 LEVEL2 compliant) Box size: 190 x 100 x 75 mm