Bestbuy offers Shark - Air Purifier 4 with Anti-Allergen Multi-Filter Advanced Odor Lock, 1,000 sq. ft., Smart sensing - White for $219.99 (orig. $349.99) + Free Shipping

Product Description: 
The Shark Air Purifier 4 with Anti-Allergen Multi-Filter uses Clean Sense IQ technology to constantly track air quality & auto-adjust power. It purifies air with 4 powerful fans and anti-allergen HEPA filtration with advanced odor protection.