On Amazon where you can now get this
Shark 3-in-1 Max Air Purifier in white for $299.99 shipped (regularly $449.99)!

This powerful air purifier is so versatile! Due to its multifunction design, it can be used as an air purifier or has settings for purified fan and purified heat to cover up to 1,000 square feet!
The Shark HC502 contains a true HEPA Nanoseal Filter to capture 99.98% of large, small, & micro-sized particles and the Clean Sense IQ tracks air quality and automatically adjusts power to constantly maintain clean air in your home while the digital display offers particle size data in real-time. While in heat mode, the Thermal Comfort Control intelligently adjusts and maintains rooms at your desired temperature. Plus it even has a handy remote built right into the top of the console.