I-HEPA esetshenziswa indawo ephumayo yomoya ephumelelayo yamukela uhlobo lwasekhaya lwe-H14 olusebenza kahle kakhulu, isici sokuhlunga esingamelana nowoyela esiphansi, ngomugqa womhlangano we-origami othuthukisiwe wasekhaya ekukhiqizeni nasekufakweni kwegumbi elihlanzekile, ukusebenza kahle kokuhlunga ≥0.3um, uthuli ≥99.99% ( indlela ye-sodium trap), ukuqinisekisa ukuthi ukuhlanzeka kwetafula elihlanzekile kuze kufike ku-ISO5 (FEDERAL 209E100).
I-DOP/ imbobo yokubona ingcindezi ehlukile, ithangi eliwuketshezi, i-valve yomoya elawulwa phansi, i-diffuser, i-swirl nelinye ipuleti le-diffuser.Konke.