Filter media is used for the separation of coarse and fine dust in supply and extract air for simple applications.
Some examples of separated particles material are
Flower pollen
Pollen
Fog
Typical applications of air filters
Waste air of painting boxes and kitchens
Protection against the pollution of air conditioning and compact instruments (for example, window air conditioning, fans)
Pre - filters for the filtration classes F7 and F8(it is necessary only for heavy polluted input air)
Pre filters and circulation filters for public protection equipments