Function

ALD 10 are sound-insulated exterior wall air outlets with manually adjustable internal shutter (shutter position right = shutter open, shutter left = shutter closed).

An optional ALDS 10 storm protection (accessory) regulates the air supply in strong or gusty winds. It closes the air channel completely during a storm. The air volume flowing through is limited to a maximum of 30 m³/h, draughts are prevented. Recommendation: Installation in free-standing buildings, on the weather side and from the 3rd floor.