Chigawo chilichonse chayesedwa ndi njira yoyamwitsa lawi, yomwe ili ndi mawonekedwe a kusefera kwakukulu, kukana pang'ono komanso mphamvu yayikulu yafumbi.Zosefera za HEPA zitha kugwiritsidwa ntchito kwambiri pakumapeto kwa mpweya wopanda fumbi muzinthu zamagetsi zamagetsi, kupanga makristalo amadzimadzi a LCD, biomedicine, zida zolondola, chakumwa ndi chakudya, Kusindikiza kwa PCB ndi mafakitale ena.Zosefera za HEPA ndi ultra-hepa zimagwiritsidwa ntchito kumapeto kwa chipinda choyera ndipo zitha kugawidwa mu HEPA ndi magawo, HEPA popanda magawo, voliyumu yayikulu ya HEPA fyuluta, fyuluta ya HEPA, ndi zina zambiri.