... , SGS approval Superfine fiber filter materialPolypropylene (PP) meltblown is a new filter material, the fiber 3D net structure ... for primary, medium, high efficiency filter. Cleaner oil and pollution treatment and water purification. PerformanceNontoxic, odorless, white and ... disinfection ApplicationApplied widely for primary, medium, high efficiency filter, clean bench, asepsis operating Room (OR), ...