... filter, humidification filter (damp curtain) Evaporative cooling air filter mediaAdopt international advanced technology and combine the ... 1000 times3). Safety: non-toxic, harmless, no sensitive reaction. Application:1). Central air conditioner, air HFPA purifier, air cleaner, auto ... match different machines. Function: Widely used on air purifier, central air conditioner, clean room etc to dispose dust ...