Here we have our PM2.5 melt-blown non-woven filter fabric which can be inserted into the mask pocket on our face masks here FACE MASKS. These are sold in pairs.
The filer measures 3.75" x 4.75"
Here we have our PM2.5 melt-blown non-woven filter fabric which can be inserted into the mask pocket on our face masks here FACE MASKS. These are sold in pairs.
The filer measures 3.75" x 4.75"
