The Zehnder ComfoTube Flow is the latest innovation in ventilation systems from Zehnder. Zehnder optimised the geometry of the Zehnder ComfoTube Flow to the max. Designed to meet the highest standards of efficiency and hygiene, Zehnder ComfoTube Flow offers unparalleled benefits for both installers and end-users. With a significantly reduced pressure drop, increased inner diameter, and lightweight construction, this advanced ventilation tube ensures optimal air circulation and energy savings. The inner surface prevents dust accumulation and simplifies cleaning, while the smooth design minimizes noise for a quieter, more comfortable environment. The tube is very stable (ring stiffness >8kn/m2) and is suitable for concreting. Flexible and easy to handle, Zehnder ComfoTube Flow is the perfect choice for modern ventilation systems, providing superior performance and convenience.