Specification: Non-woven. PP(or ES) + Melt-blown, 2ply or 3ply
Size: 90*175mm
Color: White, blue, green
Packing: 50PCS/box, 2000PCS/CTN

Features:
1) Fiberglass-free.
2) Soft and non-irritating.
3) High air permeability.
4) High filtration.
5) Nose bar adaptable, water-proof.
6) For personal protecting, medical factory, electronics factory and food hygiene profession use.