


The Science of Clean
Give your staff and clients peace of mind knowing the Defender Room Air Purifier uses proven technology to remove harmful pollutants from the air, such as pollen, mold spores, bacteria, viruses, pet dander, dust mites, smoke particles, cooking odors, and airborne chemicals, without producing harmful ozone.

Discover the benefits of the
FilterQueen Defender
The Defender is recognized by the FDA as a Class II Medical Device and is built in the USA with pride.
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Filters 99.99% of particles down to 0.1 micron
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Effective in small to large rooms
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3x better-than-HEPA filtration
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Energy efficient
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Quiet, 24-hour operation
Indoor Air Pollutants
Remove harmful airborne contaminants and odors from any room in your facility.






Particle Size Comparison Chart
Particle size ranges can fluctuate based on plant, animal and human



Lightweight & Portable
Moves easily from room to room, providing a healthier home, work, college, or travel environment.
360° Intake & Exhaust
Polluted air is pulled in from all sides through both filters. Secure Seal Technology ensures that only 99.99% of pure, clean air returns to the room.

Medical & Dental
Rather than just relying on the building's HVAC system capacity, the CDC recommends using a portable HEPA air filtration unit for dental procedures and in airborne infection isolation rooms.