Blueair Air Purifier & Sunrise Clock $58

This Blueair Air Purifier & Sunrise Alarm Clock falls from $199.99 to $57.99 at Woot. Shipping is free with an Amazon Prime account. Otherwise, it adds $6. Other stores charge $105-$150. It refreshes the air in a 140 sq ft room in 12.5 minutes, and the sunrise alarm mimics a sunrise to gently wake you up.