Dyson fan developed a low whining sound from the lower section (motor - Dyson AM07 Tower Fan - iFixit
Dyson Pure Humidify + Cool Air Purifier, 3 in 1 Fan, 62dB Noise Level, Senses & Captures Pollutants, 320 Liters Capacity, Deep Clean Cycle, 40.7W Power Consumption, White | PH3A Buy, Best Price. Global Shipping.
Dyson fan noise : r/dyson
24 Inch Portable Bladeless Fan 10 Speed Low-noise 10-hour Timing Small Table Fan | eBay
Dyson Pure Cool review: Are the Dyson fans worth the money?
cadeninc 39 in. 10-Speeds Bladeless Tower Fan, 10-Hour Timing Closure, Low Noise, Black Mile-LQD0-EBV - The Home Depot
How does the Dyson fan work with no propeller? - Quora
24 Inch Portable Bladeless Fan 10 Speed Low-noise 10-hour Timing Small Table Fan | eBay