E qalile ka 1996, Airpull (Shanghai) Filter e se e holile ho ba moetsi ea hloahloa oa lifilthara tsa moea. Joalo ka khoebo ea machaena ea maemo a holimo mehleng ea sejoale-joale, k'hamphani ea rona e bonts'itse bokhoni ba porofeshenale bakeng sa moralo, tlhahiso le kabo. Re fana ka mefuta e mengata e fapaneng ea likarolo tsa phetoho ea compressor ea moea ho kenyelletsa likarolo tsa maemo a holimo joalo ka lihloela tsa moea, lihloela tsa oli le likarohano tsa oli ea moea.