Product Description Do you know that Mistral, in French, is the name of a fresh cold wind that blows from the northwest of Europe through the Rhone Valley in France to the Mediterranean Sea? It is most common in the winter and spring, and normally strongest in the transition between the two seasons. So why not just bring the fresh cold wind to your house? Adjustable swing by hand : up and down. Ideal for air circulation, ventilation, diversion. Powerful twists air for better circulation and convection. Environmentally friendly and enery economized. Powerful twists air for better circulation and Convection Set Contains: 1 x Mistral 8" High Velocity Power Fan