Five layers Filter Material: Anti-sticking cloth, Filter cloth, Activated Carbon
Materials: made of activated carbon and non-woven melt-blown filter cloth, 5-layer filter system effectively keep away from PM 2.5 and a range of airborne contaminants
Filters size: 12x 8 cm/ 4.7 x 3.1 inches, Product: 50 Pcs PM2.5 Activated Carbon Filter insert can not be cleaned and should be replaced every 1-2 days. Reuse is not supported.