Anonymous4 years ago000Is the air flow rate really 617 m³/h? The Rowanta Turbo Silence Extrem (40W), which is twice as powerful, has an airflow of only 44 m³/h. Is it not 61.7 m³/h?Show in original language (French)Mushaboom804 years ago-202It is very good. We are all happy with the device!Show in original language (French)Comment