Fall in love with clean air.
Fall in love with clean air.
Your ultimate clean air solution
Superior Filtration
FDA-Cleared Class II Medical Device to remove 99.99% of airborne pollutants down to 0.1 micron.
Laboratory Tested
Independently tested to remove 99.9% of SARS-CoV-2 virus from the air. Learn More.
Unmatched Warranty
Purchase and replace your Medi-Filter Cartridge each year and enjoy a lifetime of clean, purified air.
Owner's Manual
View or download owner’s manual to learn more about how to use the FilterQueen Defender.
Defender air purifier
Why it's a smart choice:
✓ FDA-Cleared Class II Medical Device
✓ Eliminates & destroys the SARS-CoV-2 virus
✓ Effective against wildfire smoke
✓ Medi-Filter Cartridge & Charcoal Wrap included
✓ Captures 99.99% of airborne particles down to 0.1 micron
✓ For small & large spaces up to 700 sq. ft.
✓ Lifetime Perpetual Warranty
✓ Free shipping anywhere in the USA
✓ Assembled in our Ohio manufacturing facility
✓ FDA-Cleared Class II Medical Device
✓ Eliminates & destroys the SARS-CoV-2 virus
✓ Effective against wildfire smoke
✓ Medi-Filter Cartridge & Charcoal Wrap included
✓ Captures 99.99% of airborne particles down to 0.1 micron
✓ For small & large spaces up to 700 sq. ft.
✓ Lifetime Perpetual Warranty
✓ Free shipping anywhere in the USA
✓ Assembled in our Ohio facility
Customize your Defender
Choose your black or white base:
360° Intake & Exhaust
Polluted air is pulled in from all sides through both filters. Secure Seal Technology ensures that pure, clean air returns to the room.
Superior Filtration
Air filters through the better-than-HEPA Medi-Filter Cartridge, capturing harmful particles down to 0.1 micron in size.
360° Intake & Exhaust
Polluted air is pulled in from all sides through both filters. Secure Seal Technology ensures that pure, clean air returns to the room.
Particle Chart
Superior Filtration
Air filters through the better-than-HEPA Medi-Filter Cartridge, capturing harmful particles down to 0.1 micron in size.
24-hour Operation
Energy efficient and quiet, the Defender works 24 hours a day to purify the air in your space.
24-hour Operation
Energy efficient and quiet, the Defender works 24 hours a day to purify the air in your space.
See what actual customers are saying:
See what customers are saying:
We were really grateful about the stark contrast between being outside in the scary wildfire air and then inside in the clean air with our Defenders.
"We were really grateful about the stark contrast between being outside in the scary wildfire air and then inside in the clean air with our Defenders."
– Milana K.
Portable Room Air Purifier
Clean air for any space, large or small.
VOC & Odor Capture
Air filters through the Enviropure Activated Charcoal Wrap, capturing numerous types of harmful VOCs and unwanted odors from the room.
Lightweight & Portable
Moves easily from room to room, providing a healthier home, work, college, or travel environment.
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.
Does not produce harmful ozone or use UV lights.
FDA Cleared
It Matters. For over 20 years, the Defender air purifier has been an FDA-Cleared Class II Medical Device.
COVID Capture Technology
Verified Results. 99.9% capture rate, with over 95% of the captured pathogen verified as destroyed in the first 24 hours.
Learn More
Assembled In The USA
USA Assembled. From the Ohio, USA manufacturing facility directly to you.
Captures 99.99% of airborne particles down to 0.1 micron.
Help keep your family healthy with purified air.
Does not produce harmful ozone or use UV lights.
Medi-Filter Cartridge
Provides three times better-than-HEPA filtration to remove harmful airborne pollutants, such as dust mites, mold spores, viruses, bacteria, pet dander, airborne chemicals and more.
Enviropure Charcoal Wrap
Made with HEGA (High Efficiency Gas Absorption) material, which is highly effective at removing harmful pollutants and odors, such as VOCs, cigarette smoke, and more.
See what actual customers are saying:
See what customers are saying:
We were really grateful about the stark contrast between being outside in the scary wildfire air and then inside in the clean air with our Defenders.
"We were really grateful about the stark contrast between being outside in the scary wildfire air and then inside in the clean air with our Defenders."
– Milana K.
Defender Tech Specs
FDA-Cleared Class II Medical Device
| FDA Clearance: | 510(k) Class II medical device (#K010616) |
| Dimensions: | 17.5" height x 12.25" diameter |
| Weight: | 12.75 pounds |
| Speed Controls: | 3 |
| Square Foot Coverage: | up to 700 sq. ft. |
| Air Outlet: | 360° Pure Top Release |
| Motor: | Brushless high efficiency motor |
| Amps: | 0.67 (high) |
| Outlet: | Standard 110/120 U.S. Outlet |
| Plug: | Polarized Type A Plug |
| CSA Approved: | Yes |
| Decibels: | High Speed — 65 |
| Filtration Level: | > 99.99% at 0.1 micron |
| Bacterial Filtration Efficiency (BFE): | 99.999% |
| MERV Equivalent Filtration Rating: | 19 |
| Warranty: | Lifetime Perpetual Warranty |