Worldwide the non-plus ultra in fan construction Patented high-tech developed in Germany! With its own developed and patented (((Noiseblocker)))® technology, (((Noiseblocker)))® introduced a new era in fan construction in the year 2008. The Multiframe S series made by (((Noiseblocker)))®, which is generally recognised as the reference standard, is the first fan with a vibration-free fan frame and incorporates numerous other improvements, so that it is superior to standard fans in almost all aspects. In conjunction with the unique (((Noiseblocker)))® technology, our almost noise-free NB-NanoSLI® bearing and the NB-EKAPlus II drive, the NB-Multiframe® S series currently represents the best that German engineering expertise has to offer. Quality you can rely on! Detailed information: - A unique, multipart vibration-free chassis with integrated structure-borne sound absorbers and glass fibre-reinforced frame. - Extremely low start voltage! - Easy assembly. - NB-EKAPlus II wide-range drive with low impulse noise. - Verified technical data. Stated volume confirmed by the German Technical Inspection Agency (TÜV)!Highest Levels of Reliability: - Reverse pole and overload protection, restart function, extremely failsafe, 6-year guarantee. - Almost noise-free bearings. - xtremely low-noise and long-life NB-NanoSLI® bearings. Highest Quality - Extremely precise manufacturing, weighted frame with Deepsound Design. - Scope of delivery includes assembly material and additional sealing/ decoupling frame. - 6-year guarantee.
