Refill Filter set
Type: FT01
Product size: 12X8cm
Color: white
Material: 5 layer filter
non-woven fabric, activated carbon, melt-blown fabric
Standard: GB/T 32610-2016
Function: filter particals, dust, bacteria, smoke etc.
How to use: unfold mask, inter filter pad, cover mouth and nose with the mask
Note: not washable, remove filter before washing the mask