Mhinduro dzemhepo dzakachena dzeFAF dzinobatsira kuchengetedza maitiro ekugadzira epamberi, kudzivirira kusvibiswa kwemicrobiological mumarabhu ekutsvagisa, uye kubvisa zvinotapukira nemhepo mubazi rezvehutano. Mafirita emhepo eFAF anoedzwa neIEST Inokurudzirwa Kudzidzira Kuedza HEPA Mafirita (RP-CC034), kune ISO Standard 29463 uye EN Standard 1822.
Vatengi mumaindasitiri akaremerwa zvakanyanya, ane akasimba emhando zvinodiwa, vimba neFAF's EPA, HEPA, uye ULPA mafirita. Munzvimbo dzekugadzira dzakadai semishonga, semiconductor kana kugadzirwa kwechikafu, kana masevhisi akaomesesa emurabhoritari, mafirita emhepo eFAF anodzivirira vanhu vanobatanidzwa mumaitirwo uye kuve nechokwadi chekuvimbika kwezviri kugadzirwa kuderedza njodzi dzemari. Muindasitiri yehutano, FAF's HEPA mafirita emhepo ndicho chipingamupinyi chikuru chekudzivirira kubva mukutapukirwa kuitira kuti varwere vepanzvimbo, vashandi, uye vashanyi vasakanganiswe.