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Item No: 202822
5-Ply PM2.5 Face Mask Filter Inserts
These 5 ply face mask inserts effectively protect against PM2.5 and other airborne contaminants. These fit into your custom made face mask with filter pocket and measure 4.72" W x 3.15" H. Featuring 5 layers of protection including 2 non woven fabric layers, 2 melt blown fabric layers and an activated carbon layer in the middle for max protection. These are disposable and should be replaced every 5 days or less of constant use. These fit custom cloth masks with filter pockets like Item # 202949.