CLEAN AIR. CLEAN HOMES. SINCE 1928 - For almost 100 years FilterQueen has been manufacturing products in the USA built to make a healthier home.
BECAUSE IT MATTERS - The Defender air purifier is FDA-Cleared, Class II Medical Device. It has had this designation for over 20 years.
RISK AND WORRY FREE - The Defender air purifier comes with a 30 day in-home trial then is backed up with a lifetime perpetual warranty
TRUSTED BY MILLIONS - The FilterQueen line of products have been enjoyed by millions of customers in countries worldwide.
BACKED BY VERIFIED RESULTS - The Defender has been independently tested to eliminate harmful pollutants from the air. See Efficacy Report link on this listing to see lab results.

 
 
Product Description
 
 
 
 
 
 
 
 
 
 Great for large spaces up to 700 ft² 
 
 The FilterQueen Defender air purifier provides whole room coverage with the 360° Intake & Exhaust. Polluted air is pulled in from all sides through both filters. Secure Seal Technology ensures that pure, clean air returns to the room. No matter where you put your Defender, know that it is working 24/7. 
 
 
 
 
 
 3x Better-than-HEPA filtration 
 
 The FilterQueen Defender removes 99.99% (down to 0.1 micron) of harmful airborne particles that standard true HEPA air filters leave behind. Standard HEPA air purifiers cannot make that claim. 
 
 
 
 
 
 FDA-Cleared, Class II Medical Device 
 
 The Defender air purifier is recognized by the FDA as a Class II Medical device. To meet this requirement a company must put in months of research and interaction with the FDA. The Defender air purifier has FDA 510(k) clearance as a Class II Medical Device and has had this classification for over 20 years. (#K010616) 
 
 
 
 
 
 Lightweight & Portable with Built-in Handle 
 
 The FilterQueen Defender air purifier moves easily from room to room, providing a healthier home, work, classroom, dorm or office environment. 
 
 
 
 
 
 
  Large Spaces  
 
 
 
  3X Better  
 
 
 
  FDA-Cleared  
 
 
 
  Perfect Size  
 
 
 
 
 
 
 
 
 
 Remove Odors 
 
 The FilterQueen Defender air purifier helps remove unwanted odors from your home. From cooking odors, pets, and smoke - the Defender's activated charcoal filter helps remove these unwanted odors fast and efficiently. 
 
 
 
 
 
 Better Sleep 
 
 Sleep apnea, allergies, coughing, sneezing and more can affect a good nights sleep. Studies show that increases in fine particulate pollution can increase troubles sleeping. The FilterQueen Defender air purifier works 24/7 to help remove 99.99% of airborne contaminants down to 0.1 microns (that's 3x better-than-HEPA)