![27100](https://img.wattagnet.com/files/base/wattglobalmedia/all/image/2015/04/an.27100.jpg?auto=format%2Ccompress&q=70&w=400)
Vostermans Ventilation's Multifan axial fans feature red blades and black frames with a dark gray tinted motor housing. The fans have a controllable motor capacity. The company says it offers a three-year warranty on fans with a diameter under 1 meter and on Multifan motors. Panel fans and tube fans are available.