10 pcs pm2.5 filter for face mask anti haze mouth mask replaceable filter-slice 5 layers non-woven activated carbon filter masks gasket 001

mp2.5 filtration of gaskets, to prevent harmful material, increase the service life of the mask and security, make masks functions more perfect, is a one-off gasket, a piece of the most used 7 days, please throw out, finished gasket is simple to use and can be used for any mask, do not need to paste, non-woven fabric and activated carbon layer, five layer protection, blocking harmful material effect reached 99%,please visit the store for more protective equipment