Clean air for your business is here.
Provide a Safer Learning Environment with a Portable FDA Cleared Air Purifier.
Purchase Orders Accepted
Exclusive Education Pricing
Sourcewell Awarded Contract
NEW FilterQueen® Defender® Elite
✓ Removes 99.99% of airborne pollutants ✓ 3x better than HEPA filtration ✓ Class II Medical Device ✓ Ozone-free ✓ 700sqft coverage
Why the Defender is a smart choice for your school or university:
FDA Cleared
It Matters. For over 20 years, the Defender air purifier has been an FDA-Cleared Class II Medical Device.
Unmatched Warranty
Peace of Mind. The Defender includes an industry-leading LIFETIME perpetual warranty.
Trusted
Established Dependability. Millions of satisfied customers worldwide have trusted FilterQueen for nearly 100 years.
The Defender air purifier eliminates the SARS-CoV-2 virus by over 99.9% within 90 minutes.
FilterQueen Defender
FilterQueen’s filters capture 99.99% of airborne particles down to 0.1 micron. That’s even smaller than the size of a Coronavirus particle at 0.125 micron.
Captures up to
99.99%
of particles

Air Particles | Most HEPA Air Purifiers | Defender Air Purifier |
---|---|---|
Asbestos | ||
Paint Pigment | ||
SARS-CoV-2 | ||
Carbon Dust | ||
Tobacco Smoke | ||
Virus Carrier | ||
Pollen | ||
Dust | ||
Mold | ||
Bacteria | ||
Dust Mites | ||
Common Smoke | ||
Lead Dust | ||
Pet Dander |
Want help from an air quality expert? We are here to help.
Is the Defender right for your school or college? Unsure of how many school air purifiers you need?
Get connected with an expert now.
Proven performance you can rely on. Removes 99.99% of airborne particles down to 0.1 micron.
A better than HEPA air purifier for classrooms.

Purchasing the Defenders for our school was a wise decision. Our staff and students feel more confident knowing that the air in the classrooms are being cleaned 24 hours a day. Thank you FilterQueen!
Mrs. Keyra P.
Dean, Arlington Christian Academy
Trusted by businesses worldwide.




The best air purifier for classrooms, labs and more.
Clean air for every space.
Provide peace of mind for students,
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