Zehnder ComfoAir Flex is the new reference in ceiling ventilation units. ComfoAir Flex is a new, compact balance ventilation unit with a capacity of 250 or 350 m³/h (200Pa) and is therefore extremely suitable for small to medium-sized flats and houses. Main advantages: - Big performance in a compact design - More space and flexibility - Less cabling and more connectivity - Faster installation, saving time and money - Tailor-made air distribution system to perfectly match ComfoAir Flex