The Ruck 150mm ETAMASTER EC Inline Mixed Flow Fan EM 150 EC 01 is a high-efficiency diagonal fan designed for reliable ventilation applications. Its aerodynamics are optimally tuned and CFD-optimized, and it features a robust housing made of impact-resistant, reinforced polypropylene. The fan is equipped with a high-efficiency IE5 EC motor that offers 3‑step controllable operation. It is capable of conveying medium temperatures up to 40 °C in continuous use and has been recognized as a benchmark for efficiency since 2012.