Filter Insert - 10 Pack
PM 2.5 filter insert has 5 layers, 2 meltblown polypropylene layers, 1 activated carbon layer, and 2 outer non-woven layers. Insert in your fabric mask to improve protection from pollution, pollen, dust and droplets.
Made in China
Please note these filters are recommended for one time use, 3 to 7 days. (we have tested them inhouse to be washable by hand. Washing may cause reduced effectiveness. NOT LAB TESTED)