The self-adjusting acoustic air-inlets ÉSÉA are used for self-adjusting ventilation system or humidity controlled type A ventilation systems. (Système ALIZÉ III - Atech N°14/07-1194).
* a ESEA 15 m³/h can go up to 22 or 30 m³/h * a ESEA 22 m³/h can go up to 30 m³/h