Amazon has Coway Airmen 200M Air Purifier for Home with HEPA Air Filter in black or white for $161 (regularly $229.99) with Free Shipping for a limited time.

The COWAY Airmega 200M Air Purifier is rated for Up to 1,748ft. and features three stage filtration system, and a built in pollution sensor that communicates indoor air quality in real-time. The Combination of a pre-filter, deodorization filter, and HEPA Filter reduces 99.97% of 0.3 micron particles, including pollen and other allergens. It also reduces 99% of volatile organic compounds and odor.