On Walmart.com where you can now get this 科威空气净化器
Coway Airmega Air Purifier for just $119 shipped (regularly $191)! That’s over a 60% savings!

If you’re worried about the air quality in your home, check out this four-stage filtration air purifier that combines a pre-filter, odor filter, true HEPA filter, and ionizer to reduce contaminants in the air. This air purifier can clean and maintain pure air in up to 361 sq. ft.
It’s available in black or white and has automatic features like auto shutoff, three manual fan speeds, and a timer! Plus, it’s compact at a mere 18″ x 16″ and weighs only 12 pounds, so you can easily move it from room to room!