Dyson fan developed a low whining sound from the lower section (motor - Dyson AM07 Tower Fan - iFixit
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Dyson Purifier, Fan-HEPA Air Filter, Space Heater and Certified Asthma + Allergy Friendly, WiFi-Enabled-HP04, White/Silver,9.76 x 8.07 x 30.08 inches : Amazon.co.uk: Home & Kitchen
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