Clean air for your business is here.
Purchase Orders
Accepted
Bulk Discounting
Available
COVID Capture
Technology
✓ Bulk Discounts Available
✓ Trusted by millions of customers worldwide
✓ Used in schools, medical & business offices, restaurants and more
✓ 3 times better than HEPA, filtering 99.99% down to 0.1 micron
✓ COVID Capture Technology
✓ FDA-Cleared Class II Medical Device
Orders containing fewer than 10 units should be placed on our website. For bulk orders above 10 units, please request a quote.
Defender Air Purifier
✓ Bulk Discounts Available
✓ Trusted by millions of customers worldwide
✓ Used in schools, medical & business offices, restaurants and more
✓ 3 times better than HEPA, filtering 99.99% down to 0.1 micron
✓ COVID Capture Technology
✓ FDA-Cleared Class II Medical Device
Orders containing fewer than 10 units should be placed on our website.
For bulk orders above 10 units, please request a quote.
Why the Defender is a smart choice for your business:
FDA Cleared
It Matters. For over 20 years, the Defender air purifier has been an FDA-Cleared Class II Medical Device.
Assembled in the USA
USA Assembled. From the Ohio, USA manufacturing facility directly to you.
Trusted
Established Dependability. Millions of satisfied customers worldwide have trusted FilterQueen for nearly 100 years.
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
99.99%
of particles
Air Particles
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.
Want help from an air quality expert?
We are here to help.
Is the Defender right for your business? Unsure of how many you need?
Get connected with an expert now.
Trusted by businesses worldwide.
Clean air for every space.
Air Purifier for Schools & Universities
Air Purifier for Medical Offices
Air Purifier for Business Offices
Air Purifier for Restaurants
"With the amount of patient traffic and doctors we have in our clinic, I’ve gone ahead and put the Defender in each of our three office locations to try and mitigate the risk associated with aerosolized infections."
MK Batra, MD