Iyunithi ngayinye ihlolwe indlela yokumunca ilangabi, enezici zokusebenza kahle kokuhlunga, ukumelana okuncane kanye nomthamo omkhulu wothuli.Isihlungi se-HEPA singasetshenziswa kabanzi ekugcineni kokuhlinzekwa komoya endaweni yokusebenzela yokuhlanza engenalo uthuli ku-optical electronics, ukukhiqizwa kwekristalu ye-LCD liquid, i-biomedicine, izinsimbi ezinembile, isiphuzo nokudla, Ukuphrinta kwe-PCB nezinye izimboni.Izihlungi ze-HEPA kanye ne-ultra-hepa zisetshenziswa ekugcineni kwegumbi elihlanzekile futhi zingahlukaniswa nge-HEPA ngokuhlukanisa, i-HEPA ngaphandle kokuhlukanisa, isihlungi esikhulu somoya we-HEPA, isihlungi se-Ultra HEPA, njll.