... filter material with good efficiency Anti-full, UV-resistant, high tensile strength, soft, non-toxic, waterproof, Anti-full, UV- ... resistant, high tensile strength, soft, non-toxic, waterproof,carbon filter material with good efficiencyMaterial ... No.Material TypeWeight g/m2ResistanceThickness(mm)Filter Precision(um) PET150g/m215-25pa0.422 160g ...