1.Conforms to EN149FFP2S standards with CE marking.
2. To resist acid vapor, such as H2S, SO2, H2, N2 and micron dust.
3. Special 4-ply pleated design, high filtration and static electricity material, high efficient active carbon material to absorb.
4.Suited to paper manufacturing, pesticide, chemical, powder generating, electronic, coating, metal annealing...etc. environments.