Bought this to combat incense fumes from a neighboring unit and dust after getting bronchitis. The air in my home has definitely improved but haven't noticed a reduction in dust yet. To be fair, the building I own in has old ventilation and has active construction going on, so the purifier might be doing a great job against the odds.
I have been wanting an air purifier for a while and I saw this one and gave it a try. It was easy to assembly and very easy to operate. They sounds is perfect to sleep and I like the timer function.