Blueair Classic 405 HEPASilent Air Purifier, 434 sq. ft. Allergen Remover, WiFi Enabled – $149.99 AC @ Frys.com

Frys.com has the BlueAir 405 on sale for $150, down from the MSRP of $550. Shipping is not free, but store pickup is, if available.
Use coupon code 2288 to get the discounted price
https://www.frys.com/product/9000177
Specifications
Room size 40m2 (434 sq ft)
CADR (Smoke) 476m3 per hour (280 cfm)
CADR (Dust) 510m3 per hour (300 cfm)
CADR (Pollen) 510m3per hour (300 cfm)
Air changes per hour 5
Energy consumption 15 – 90 watts
Sound level 32 – 52 dB(A)
Wi-Fi connectivity Compatible with 802.11 b/g/n router on 2.4GHz Wi-Fi Network band.
Network security; open, WEP, WPA, & WPA2