The Fantech Revolution Stratos is an energy-efficient, in-line, mixed flow fan with a 115V AC external rotor motor. Air flow is increased using aerodynamically optimized impellers and guide vanes, all while producing lower decibels than most other fans on the market. The Stratos Fan can be installed in any position with the included mounting bracket. Lowest SFP values and very high efficiency. Your advantage: Maximum performance and low energy consumption Powerful EC motor with integrated electronics. Your advantage: Reduced energy consumption reduces the running costs Compact design. Your advantage: Little space required, a real inline fan Material: Special composite material. Your advantage: Corrosion proof, lower weight, quick and easy to install Low-noise Long life