Fans are not just for cooling you down - they circulate the air, helping you to maintain a fresh and comfortable environment. They increase the effectiveness of other climate control products as well, such as central air conditioning and heating units. Helping to circulate the air generated by those products, the workload is reduced, and you save money. Many WindChaser fans include convenient remote control features. So whether you choose the gentle movement of air with our Air Circulators, or the mighty power of a High Velocity fan, WindChaser fans provide optimal comfort for you in your home or office. FEATURES: Revolutionary 360 Degree Revolving Grill (Provides Air Circulation in 360 Degrees). Dual Motors: One Motor Turns the Fan Blade,while the other Turns the Grill (TL3630M and TL3640M). Wind-Driven Revolving Grill: Air pushed by the fan, turns the grill. 3 Fan Speeds. Rotary Controls. 2 Hour Shut-Off Timer. 6 Fin Blade. Whisper Quiet Operation. High Impact ABS Plastic.