Material: 4 ply
1st ply:waterproof Non-Woven
2nd ply: Adsorption Layer
3rd ply: 40g/m2 melt-blown PP (filter)
4th ply:waterproof Non-Woven
Size:10cm*16cm
Feather:High BFE/PFE, Adjustable nose
piece, Soft Flat elastic earloop
Certificate: CE,
1st ply:waterproof Non-Woven
2nd ply: Adsorption Layer
3rd ply: 40g/m2 melt-blown PP (filter)
4th ply:waterproof Non-Woven
Size:10cm*16cm
Feather:High BFE/PFE, Adjustable nose
piece, Soft Flat elastic earloop
Certificate: CE,