Systemair DHS Sileo 355mm Three-Phase Roof Fan - AC Model Motor_EC crafted from durable steel and

crafted from durable steel and finished with a sleek RAL 7001 powder coating

featuring a steel spiral reinforcement helix sandwiched between two layers

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Systemair DHS Sileo 355mm Three-Phase Roof Fan - AC Model Motor_EC crafted from durable steel andExperience unparalleled performance with our DHS roof fans, featuring speed controllable motors that adapt to your needs. Designed with backward curved blades and external rotor motors, these fans ensure optimal airflow while maintaining a low sound level for a peaceful environment. Enjoy maintenance free reliability, thanks to integral thermal contacts that enhance safety and durability. For precise speed control, use a frequency converter with an