Specifications: Washable air filter 1 ISO/SGS/RoHS approval 2 High efficiency,low resistance 3 Stable and easy to install Washable Pleated Air Filter Media for Vacuum Cleaner HEPA series filter material Adopt high efficiency paper filter element, catechin, anti-sensitive, vitamin C, aromatics, active carbon, photocatalyst, cold catalyst, nano silver to make HEPA filters. It has the function to purify and absorb the odor substances, for example, ammonia, fluorine, formaldehyde, methanthiol, hydrogen sulfide etc, but also has the superstrong power to kill stubborn bacteria and fungus. Product Property: 1).Broad-spectrum function: absorb and kill the bacteria 2).Long residual action: No effect change for the fabric with “nano silver” being washed 1000 times 3). Safety: non-toxic, harmless, no sensitive reaction. Application: 1). Central air conditioner, air HFPA purifier, air cleaner, Fragrance machine etc. 2). Medical nano silver masks, exposure suits, hygiene necessities. Product photos Certificate Factory Overview: Washable Pleated Air Filter Media for Vacuum Cleaner