Vinduesventilator to directly mounting in windows 4-17mm . It built-in moisture and time management can set after your needs. Moisture control can set medium 60-90% humidity. Tidsstyringen can set medium 2-30 mine. Fan running after startup in it on tidsstyringen set time. Is humidity higher than what set level, continues fan till humidity is under level again. Benefits: automatic closing damper ball bearings ensures long life exterior sto...
