Zehnder ComfoAir Flex 250 with Pre-Heater 990 327 201 because the measurement parameters are

because the measurement parameters are detected automatically via the assignment of the measuring sockets and also shown by the illumination of the appropriate function keys

High-quality 2600mAh Li-ion battery

adjustable timer

Auto cut-out switch for extra safety

Zehnder ComfoAir Flex 250 with Pre-Heater 990 327 201 because the measurement parameters areZehnder 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