Dyson fan developed a low whining sound from the lower section (motor - Dyson AM07 Tower Fan - iFixit
![Amazon.com: KONIGEEHRE Air Purifier Filter Replacements for Dyson DP01, DP03, HP00, HP01, HP02, HP03, Pure Hot Cool Link Desk Filters, Part No.968125-03 : Home & Kitchen Amazon.com: KONIGEEHRE Air Purifier Filter Replacements for Dyson DP01, DP03, HP00, HP01, HP02, HP03, Pure Hot Cool Link Desk Filters, Part No.968125-03 : Home & Kitchen](https://m.media-amazon.com/images/I/61wMM+8IM2L._AC_SX522_.jpg)
Amazon.com: KONIGEEHRE Air Purifier Filter Replacements for Dyson DP01, DP03, HP00, HP01, HP02, HP03, Pure Hot Cool Link Desk Filters, Part No.968125-03 : Home & Kitchen
![Dyson Pure Hot + Cool Air Purifier, Heater + Fan - HEPA Air Filter, Space Heater and Certified Asthma + Allergy Friendly, WiFi-Enabled – HP04 : Home & Kitchen Dyson Pure Hot + Cool Air Purifier, Heater + Fan - HEPA Air Filter, Space Heater and Certified Asthma + Allergy Friendly, WiFi-Enabled – HP04 : Home & Kitchen](https://m.media-amazon.com/images/I/61iQStFCuqL._AC_SX425_.jpg)