HEPA-da ay adeegsato hawo-mareenka wax-ku-oolka ah waxay qabataa astaanta gudaha ee H14 wax-qabad heersare ah, shaandhada saliidda iska caabbinta hooseeya, iyada oo loo marayo khadka sare ee origami ee gudaha gudaha wax soo saarka qolka nadiifka ah iyo rakibidda, hufnaanta shaandhaynta ≥0.3um, boodhka ≥99.99% Habka dabinka sodium), si loo hubiyo in nadaafadda miiska nadiifka ah ilaa ISO5 (FEDERAL 209E100).
DOP/dekedda ogaanshaha cadaadiska kala duwan, haanta dareeraha ah, waalka hawada hoos loo habeeyay, diffuser, wareeg iyo saxan kale.Wax walba.