Compatible with Dyson Pure Cool and Purifier Cool Air Purifer Tower (TP-03) Model Easy filter change with notification on app / LCD screen when any of the filters need replacement Automatically purifies a whole room properly, capturing 99.95% of harmful pollutants as small as 0.1 microns (PM 0.1) Captures harmful ultra-fine pollutants and allergens with tris-coated activated carbon filters Materia Condition: Fulfilled by Amazon | ASIN: B0BTHXZSVX