Ka whakamahia te ara iahiko manawa tuku ki roto i te waahanga T-rere pai me nga kaiwhakawhanui tiaki tino nui.Ko te taiawhio manawa whakangao kei te whakakotahi me te Tracheal Tube/ranei Heat And Moisture Exchanger Filter me te miihini rewharewha, he huarahi ngawari, he watea, he pai hoki mo te tuku hau haumanu, penei i te hau anesthetic, hau hāora.