Zehnder ComfoAir Flex 250 with Pre-Heater 990 323 652 150mm or 160mm diameter ducting

150mm or 160mm diameter ducting

Gradient filter with ultrasonically bonded polypropylene fibres free of chemicals and binders

The expelled air is passed through the filter which surrounds the motor

shut it down

To achieve the longest duct run rigid ducting should be used and not flexible ducting

Zehnder ComfoAir Flex 250 with Pre-Heater 990 323 652 150mm or 160mm diameter ductingZehnder ComfoAir Flex is a ventilation unit that has been specially developed for apartments and smaller homes, where living space is a valuable resource and needs to be wisely planned. The compact design fits seamlessly in suspended ceilings without sacrificing outstanding performance. Zehnder ComfoAir Flex is equipped with the quietest fan technology on the market and reduces noise levels to a minimum even during full operation. A custom made heat