AE 3 air element 3 cbm / h exhaust air element with self-adjusting constant-volume flow. For a constant volume of exhaust air at a pressure differential in the range from 4 to
6 Pa. Pre-finished unit for insertion into pipes / holes with nominal diameter
25 mm including mounting ring with rubber lip seal. All parts of high-cal antistatic plastic in white. Front grill, volume control and housing in a water cleanable. Suitable for wall and ceiling installation. Make: Helios No.: 2 Type 3: AE 3 ______________________________________