Just changed to brand new filters on TP04 but error won't go away. : r/dyson
Amazon.com: Air Purifier Filter Replacements for Dyson HP01, HP02, DP01 Desk Purifiers. Compare to Part # 968125-03 - Compatible with Dyson Pure Hot Cool Link Air Purifier Filter Replacement. : Home & Kitchen
Dyson filter
Vacuum filter care
Must You Change Your Dyson Air Purifier Pure Cool Link Filter When Dyson Says?
How to Clean a Dyson Filter: 10 Steps (with Pictures) - wikiHow