
We have a 91 year old house with original windows and airflow in more places than walls. We also have three cats. It's dusty here. This device moves a ton of air, and fast. The controls are easy to use. Multiple filter layers mean what comes out at the top is clean, clean, clean. Not sure if the UV is doing anything because at higher speeds the air isn't there long enough to really be affected by the UV light. But the filtering is top notch. I have an air quality monitor that agrees. This thing cleans a lot of air and does it fast. The device is quite quiet up to the 3rd level and only gets really loud at the highest level. The timer is also very useful.

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