5Layer

Pack of 50 Black KN95 Face Masks: 5-Layer Breathable Protection Mask Imported cloth Funight Ventilation Series KN95 Face Masks follow the GB2626-2019 respiratory protection standards. These standards require all masks to have a filtration efficiency of at least 95%, which means the material can filter out harmful molecules such as fine particles and dust. Ventilation Series KN95 Face Masks maintain…