Blueair Classic 680i with Dual Protection Filter 

A Powerful, Top-Rated Portable Large Room Air Cleaner that Silently Removes Odor, Chemicals, Cigarette Smoke, Wildfire Smoke, Dust, Mold, Cat, Dog or Other Pet Dander, Hair & Other Particles in Any Home or Office up to 775 Square Feet with 5 Air Changes Per Hour, WiFi Control, Built-In Air Monitor, Automatic Air Quality Sensors including PM 2.5 - PLUS a 5 Year Limited Warranty, All at the Best Possible Cheap Discount Online Sales Price with Free Shipping!

• Portable Indoor HEPA and Carbon Filter Large Room Air Purifier
• 775 Square Foot Coverage with 5 Complete Air Changes Per Hour
• Strong Particle Removal--Removes Over 99.9% of Particle Pollutants, Dust, Dirt, Pet Hair, Dander, Mold, etc.)
• Strong VOC Removal--Removes 99.9% of VOC's & their Odors from Pets, Cooking Food, Cigarette Smoke & Other Organic Sources
• Strong Synthetic Chemical Removal--Removes 99.9% of Synthetic Chemicals & their Odors, such as Fragrances, Cleaners, Etc.
• Reduces and/or Eliminates Allergies and Asthma Symptoms caused by Low Air Quality
• Best for: Indoor Rooms with Heavy Particle, Chemicals, Smoke or Odor Pollution

• Dual Protection Filter with HEPASilent Particle and Activated Carbon Included!
• Automatic Air Quality Sensors Report Realtime Air Quality to Your Phone or Tablet
• PM 2.5 Sensor 
• Control with Your Phone or Tablet with WiFi 
• Control with Smart Devices such as Amazon Alexa
• Designed to Run Continuously
• Portable Lightweight and Easy to Move
• 3 Speeds
• 5 Year Top-Rated Blueair Warranty

• Room size up to 775 sq ft)
• Room size is based on 8' ceiling. If your ceilings are higher, the air purifier will still clean your air but at a slightly lower CADR.
• CADR (Smoke)  450 cfm
• CADR (Dust) 400 cfm
• CADR (Pollen) 450 cfm
• Air changes per hour 5
• Dimensions (H x W x D) 26 x 20 x 13 in. 
• Product weight 35 lbs 
• Energy consumption 15 - 100 watts
• Sound level 32-62 dB(A)
• Electronic sensors, remote, on/off timer Yes
• Filter replacement indicator Yes
• Speed control options 1 - 2 - 3
• Casters Yes
• WiFi: Compatible with 802.11 b/g/n router on 2.4GHz Wi-Fi Network band. Network security; open, WEP, WPA, & WPA2

Large Room Air Purification with Built-In Air Monitoring, WiFi and More

So if you're looking for a top-rated, large room air purifier with proven Swiss technology, quiet operation, ability to reduce allergies and asthma in rooms up to 775 square feet, integrated air quality sensors and monitoring and WiFi control, WITH the odor-killing Dual Protection filter included, the Blueair Classic 680i is one of the best value air purifier choices you can buy. Order yours here at the best possible discount price and see for yourself what a difference a real air purifier can make!