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10 Replacement Fabric Face Mask Filter PM2.5 Insert Activated Carbon 5 Layer HQ. Condition is "New with tags".

PM2.5 5 layer Activated Carbon Filter Mouth Cover Gas Filters Dust-proof Replaceable Breathing Insert Protective Mask Filter

Material: Activated carbon sheet, non-woven fabric, melt-blown

Size: 12*8cm for Adult

Layer: 5ply

Feature: Disposable, soft, replaceable

Usage: Anti-pm2.5, anti-dust, anti-fog

Packing: Standard package: 2pcs/bag, 5bags/package