*Each pack comes with 5 filters
*Carbon PM2.5 filters
*PM2.5 carbon filter must be replaced every 7 days
*Made in China
Final Sale - No Returns Or Exchanges
Disclaimer: The mask should not be used (1) in any surgical setting or where significant exposure to liquid, bodily or other hazardous fluids, may be expected; (2) in a clinical setting where the infection risk level through inhalation exposure is high; or (3) in the presence of a high intensity heat source or flammable gas. The manufacturer and the retailers make no warranties, either express or implied, that the mask prevents infection or the transmission of viruses or diseases.