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The Best Air Purifier

Removes 99.99% of harmful pollutants down to 0.1 micron in size.

In Stock - FREE 2-Day Shipping

filterqueen defender filter queen air purifier hepa air cleaner portable room

4.5 stars

Amazon Rating - 4.5 out of 5 stars

4.7 stars - 4.7 out of 5 stars

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.

Removes 99.99% of pollutants such as:
• smoke particles & odors • viruses • bacteria • pet dander • allergens • dust mites • mold spores • airborne chemicals • noxious gases  

 Recognized by the FDA as a Class II Medical Device

Lifetime Perpetual Warranty

Built in the USA

Available for IMMEDIATE Shipping

Includes: (1) Defender Air Purifier, (1) Medi-Filter and (1) Enviropure Charcoal Filter Wrap

Discounts applied on checkout page.
As low as $75/mo. Financing options available on checkout page.

*Buy today and receive a year’s worth of Enviropure Wraps and FREE 2-DAY SHIPPING (over $100 value)!

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built in USA

Built in the USA

Built in Cleveland, Ohio by a company in business for over 90 years.

lifetime warranty

Lifetime Perpetual Warranty

Backed by a Lifetime Perpetual Warranty, the Defender is literally the last air purifier you'll need.

Class II Medical Device

Class II Medical Device

Recognized by the FDA as a Class II Medical Device and proven effective through laboratory testing.

Air purifier for home

The pandemic will not last forever, but your family will breathe easy for a lifetime.

Air purifier for business

Give your staff and customers peace of mind knowing they are breathing purified air.

For on-the-go

The Defender can go anywhere you go from home, to college, the office or take when traveling.


Lightweight & Portable

Moves easily from room to room, providing a healthier home, work, college, or travel environment.

air purifier better sleep

Quiet & Energy Efficient

Enjoy a significant reduction in airborne pollutants and dusts, allowing you to breathe easier and get a better night's sleep.

air purifier 360 intake

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.

pet dander pet hair allergies

Pet Friendly

Helps remove pet dander, hair and odor from the air.

allergies asthma symptoms air purifier

Allergy Relief

Allergy and asthma sufferers can benefit as the Defender removes 99.99% of dust, pollen and pet dander particles down to 0.1 micron.

Clears Indoor Air

Removes harmful particles and odors from the air that are caused by wildfire smoke, cigars and cigarettes.

Meets the following EPA guidelines


No Ozone

(Ozone is harmful to the environment)

No UV Light

(UV light is ineffective, costly and dangerous)

Effective Filtration Capability

(3X better-than-HEPA)

3X Better-than-HEPA filtration

The Defender filters the harmful particles that standard HEPA air cleaners throw back into the air. It removes 99.99% of particles down to 0.1 micron in size.

air purifier filter

Medi-Filter Cartridge

Provides three times better-than-HEPA filtration to remove pollutants such as dust, dust mites, pollen and mold spores.

Enviropure Charcoal Wrap

Made with HEGA (High Efficiency Gas Absorption) material, which is highly effective at reducing pollutants such as wildfire smoke, tobacco smoke, pet odors and lingering cooking odors.

Recommended filter-change frequency:

Medi-Filter Cartridge: Change once every year. For best results, change every 12 months for homes with pets or smokers.
Enviropure Charcoal Filter Wrap:  Change every 3-6 months. For best results, change every 3 months for homes with pets or smokers.

Particle Size Comparison Chart

Particle size ranges can fluctuate based on plant, animal and human.

Customer Testimonials

"I have the Defender air purifier and love it. Very easy to maintain and it does an excellent job. I am a heart patient and have COPD. Living the the California Central Valley, air quality here is very bad, especially with all the wildfires this season. The Defender has really helped a lot, and I would be lost without it."

- Joe A.

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