Ua hoʻāʻo ʻia kēlā me kēia ʻāpana e ka flame absorption method, nona nā hiʻohiʻona o ka pono filtration kiʻekiʻe, ka pale liʻiliʻi a me ka nui o ka lepo.Hiki ke hoʻohana nui ʻia ka kānana HEPA i ka hopena o ka hoʻomaʻemaʻe ʻana i ka lepo me ka ʻole o ka lepo i loko o ka uila uila, LCD liquid crystal manufacturing, biomedicine, precision instrument, inu a me ka meaʻai, PCB Printing a me nā ʻoihana ʻē aʻe.Hoʻohana ʻia nā kānana HEPA a me nā ultra-hepa ma ka hope o ka lumi maʻemaʻe a hiki ke hoʻokaʻawale ʻia i HEPA me ka ʻāpana, HEPA me ka ʻole o ka pā, ka nui o ka ea HEPA kānana, ultra HEPA kānana, etc.