With the Earth's axis tilted at 23.5°, it created the beautiful sceneries of the 4 seasons. With the 31° curvilinear design of the SUNON Morden HVLS FAN blade, it created not only a massive airflow, but also an ultra silent operation. The 6 speed rotation ensured you a silent natural breeze, the unique blades gently running through the air revitalizing your space with a rustic breeze