This is a KN95 mask that complies with Chinese dust mask standards (GB2626-2006).
Like the N95, it uses a filter with a collection efficiency of 95% or more for NaCl particles (approximately 0.3 μm). Quantity: 1 box (10 sheets/bag x 5 bags)
Fabric size: Width approx. 150 mm x Height approx. 110 mm (when fully expanded)
