Samsung.com has the Cube Air Purifier with Wind-Free Air Purification in Airy White on sale for $549.00 with free shipping. Save $150.

• 3 stage True HEPA Filtration System effectively removes 99.97% of ultrafine dust
• Monitors air particles in size, and the easy view display provides instant air quality feedback
• Control through voice enabled mobile devices such as Bixby, Amazon Alexa, or the Google Assistant , or on your phone