Dust Mask Military Grade N99 Mouth Mask Anti-Dust Anti-haze Washable Respirator Masks With Valve Replaceable Filters(Black (2Masks+12Filters))

" Beller Washable Cotton Dust Masks With Valve Replaceable Filter
Package Includes: 2 x Mouth Masks, 12 x Carbon Filters Function:Anti-haze Anti-dust Anti-fog
Waring Mthod:
1. Expand the mask 2. Put the filter piece in the mezzanine 3. Cover the mouth and nose,then use the strap hanging on the ear 4. Fix the nose clip according to the shape of the nose Tips:
1. PM2.5 mouth mask can be repeatedly washed 2. Filter piece can not be repeatedly cleaned 3. Filter piece inserted in the back, please wear the correct 4. Filter piece replacement time is 7 wearing days Recommended cleaning methods:
1. Remove the filter piece before cleaning 2. Dilute the cleaner with water and put the mouth mask in, scrub gently with your hands 3. On the shade to dry, do not put the washing machine and other clothes to wash together"