Filter Class KN95. Cup Dust Mask Against PM2.5 from Fire Smoke & Dust – 5 colors including 10 Pcs White + 10 Pcs Grey + 10 Pcs Black + 10Pcs Purple + 10 Pcs Navy. 5 layers protection. Filtration efficiency ≥ 95%.
Filter Class KN95. Cup Dust Mask Against PM2.5 from Fire Smoke & Dust – 5 colors including 10 Pcs White + 10 Pcs Grey + 10 Pcs Black + 10Pcs Purple + 10 Pcs Navy. 5 layers protection. Filtration efficiency ≥ 95%.