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Provide a Safer Learning Environment with a Portable FDA Cleared Air Purifier.

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FilterQueen® Defender®

CAD $799.00 available on subscription from CAD $79.00 / month for 12 months

✓ Removes 99.99% of airborne pollutants

✓ 3x better than HEPA filtration

✓ Class II Medical Device

✓ Ozone-free

✓ 700sqft coverage

SKU: 57782 Category:


This portable room air purifier uses its proven technology to create a cleaner, healthier environment that is protected from harmful pollutants without producing harmful ozone.

✓ Recognized by the FDA as a Class II Medical Device

✓ 700sqft Coverage 

✓ Lifetime Perpetual Warranty

✓ Built in the USA

✓ Available for immediate shipping


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.


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 COVID particle at 0.125 micron.

Captures up to


of particles

Air Particles
Air Purifiers
Air Purifier
Paint Pigment
Carbon Dust
Tobacco Smoke
Virus Carrier
Dust Mites
Common Smoke
Lead Dust
Pet Dander

Need assistance 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 schools and universities worldwide.

The best air purifier for classrooms, labs and more.
Clean air for every space.

Computer Labs


Staff Offices

Common Areas

Let us help provide clean air for your school.

Provide peace of mind for students,
teachers, staff, and guests