These replaceable filters are made from 5-layer, activated carbon and melt-blown non-woven filter cloth - designed to further protect your mouth and nose from pollutants, automobile exhaust, airborne allergens, and other particles 2.5+ µm in size.

• Each pack contains 10 replaceable filters
• Filter Size: 4.72 x 3.15 inches
• Suitable for both adult and kids size fabric face masks. 
• This product should not be used in any surgical setting or where significant exposure to liquid, bodily or other hazardous fluids, may be expected; in a clinical setting where the infection risk level through inhalation exposure is high; or in the presence of a high-intensity heat source or flammable gas.
• This is not a medical-grade item and is not intended as a replacement for medical-grade equipment or other recommended measures to stop the community spread of any viruses, including social distancing, washing your hands and refraining from touching your face. This is not an FDA approved product. This product makes no claims of antimicrobial protection, antiviral protection, particulate filtration, or infection prevention or reduction. This product is not intended for use in a medical setting.