On Amazon where Prime members can get this
WELOV by AiDo Smart Air Purifier for just $89.99 shipped (regularly $199.99) when you clip the $10 off digital coupon!

Score fresh and clean air in your home with this matter-certified smart air purifier. It utilizes a true HEPA filter to filter out 99.97% of ultra-fine particles, dust, smoke, pet dander, odors, and more.
Even better, this purifier’s innovative sleep mode can sync with Apple Health which automatically adjusts fan levels according to your sleep patterns and it features an adjustable warm night light.