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Help protect you and your family
The "new normal" has been our healthy way of life since 1928.
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Safeguard your staff and patients
The Defender is 3x better than standard HEPA filtration.
The Science of Clean
Get 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.
Ozone-Free
Lifetime Perpetual Warranty
Hospital Tested
30-Day Risk-Free Trial
Indoor Air Pollutants
Remove harmful airborne contaminants and odors from any room in your home.
Viruses & Bacteria
Mold Spores
Dust Mites
Allergens & Asthma
Smoke
Chemicals & Odors
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.
Quiet, 24-Hour Operation
Enjoy a significant reduction in airborne pollutants and dusts, allowing you to breathe easier and get a better night's sleep.
Breathe easier with fresh, clean air
Testimonials
Mold Allergies
Clean Air for Baby
Healthy Indoor Air
3X better-than-HEPA filtration
HEPA is the industry standard (99.97% at 0.3 micron). Our filters have been independently tested to remove 99.99% of particles down to 0.1 micron.
Defender Tech Specs
Room size coverage: |
15' x 20' x 8' |
Speed controls: |
3 |
Air changes per hour: |
4 |
Filter Replacement: |
Medi-Filter Cartridge: Once every 12 months Enviropure Filter Wrap: Once every 6 months |
Air outlet: |
360° Pure Top Release |
Airflow: |
48 CFM on low |
Sound level: |
47.6 dB(A) |
Motor 120V: |
120V / 60Hz / 0.9A / 90W 0.9A (high) 0.43A (medium) 0.27A (low) |
Bacterial Filtration Efficiency (BFE): |
99.999% |
Size: |
17.25" high x 12.25" diameter |
Weight: |
12.09 lbs |
Warranty: |
Lifetime Perpetual Warranty |