The Humidify+Cool has a HEPA filtration system and a separate carbon filter detects formaldehyde. I assume it may be thanks in part to my obsession with clean air, but, so far, the Dyson has documented good air excellent each and every time I’ve checked in–the only real exceptions staying immediately https://thebookmarkplaza.com/story16918090/what-does-dyson-air-purifier-hot-and-cool-mean