Dri Eaz F284 DefendAir Review in Nov 2021

Are You Considering the Dri Eaz F284 DefendAir Air Purifier?

Read Our Review of the Dri Eaz F284 DefendAir in Nov 2021 & Find Out If This Is For You. We Review the Pros, Cons & Features.


I think you’ll agree with me when I say:

It’s REALLY hard to choose an air purifier with all the options available!

Or is it?

Well, it turns out, that after years and hundreds of hours of testing & reviewing, we have strong opinions about what makes the best air filtration system: level of purification, efficiency, and maintenance.

The Dri Eaz F284 DefendAir (On special until end Nov, 2021) has all the qualities and features, giving it an added advantage and an edge over its competitors.

Air Purifier

Dri Eaz F284 DefendAir

The unit is an amazing vacuum cleaner. It works efficiently in clearing hair, dirt & debri from any surface.. We would recommend this product taking full advantage of its high performance and great price.

What Features Did We Look At?

If you’re in the market for a new vacuum cleaner, you’re probably looking at the different options and wondering which is the top cleaner to choose. Don’t worry, we got you covered.


Only the most effective purifiers make the cut.

Noise Level

So there's more clean air and less noise.

Ease of Use

It needs to be easy to use and easy to clean.


Because you need a machine that’s built to last.

Quick Summary of the Dri Eaz F284 DefendAir

Ideal for anywhere air quality is a concern: Crawlspaces & attics, home repairs, remodels, painting, sewage, mold1  remediation, fire damage restoration, water damage restoration, much, much more.

Dri-Eaz The DefendAir HEPA 500 uses HEPA filter media with an efficiency rating of 99.97% against 0.3-micron oily aerosol particles. When used with the optional DOP 2nd stage filter, the HEPA 500 provides assurances for first-pass filtration. The optional Activated Carbon Filter allows users to quickly and effectively attack smoke and other noxious odours in the environment. With user-friendly and versatile features, the HEPA 500 is ideal for handling indoor air quality needs on every restoration job.

Dri Eaz F284 Defendair

  • Construction Dust.
  • Duct dusty air through HEPA 500.
  • Duct clean air into occupied spaces.

* On special until end November 2021

What You Need to Know

The unit is an amazing vacuum cleaner. It works efficiently in clearing hair, dirt & debri from any surface.. We would recommend this product taking full advantage of its high performance and great price.

The Benefits & Drawbacks


  • Classy & Straightforward Air Purification System
  • Eliminates Allergens,2  Mold Spores, Pet Dander3
  • Easy to Use & Maintain


  • Heats up with use, but given all its incredible features & the 99% allergen-free cleaning system

Key Features of the Dri Eaz F284 DefendAir

  • Duct Dusty Air Through HEPA 500 – Contains all dust particles by filtering air from drywall sanding through the HEPA 500.
  • Construction Dust – Controlling dust is critical when sanding drywall or hardwoods, as well as other remodeling & construction activities.
  • Paint Fumes – Paint, stain & varnish create fumes & odours that can be noxious for homeowners or workers in the space.
  • Duct Clean Air into Occupied Spaces – You can use the optional Dri-Eaz Activated Carbon Filter to clear the air of nasty odours & fumes during the painting & staining phases of construction.
  • Draws 3 Amps on a 115V POWER SUPPLY – It features an auxiliary power outlet that allows users to connect up to three units together for combined air flow speeds of up to 1500 CFM.

Specs & Useful Product Info

air purifier
  • Product Dimensions: 18.2 x 26.2 x 24.6 Inches
  • Product Weight: 23.4 Pounds
  • Product Color: Blue

What Others Think

At the time of writing this review, there were:

  • 40 Customers
  • Who Gave it a Rating of 4.4 Out of 5.

Common Questions

Does the DefendAir need to be vented?

Does the DefendAir Purifier add ozone?

How Do You Clean The Dri Eaz DefendAir Air Purifier?

Does The Dri Eaz DefendAir Emit Ozone?

Are The Dri Eaz DefendAir Purifiers Good?

What's Included?

Here's what you get when you buy this Air Purifier:

  • Activated Carbon Filter
  • Stage 2 Pre-Filter
  • HEPA Primary Filter
  • User instructions
  • Stage 1 Pre-Filter

Our Verdict

We would recommend Dri Eaz F284, this is a great option for people suffering from asthma or any respiratory disease. And also it's perfect for remodeling and construction activities in occupied homes and businesses.

The Competition: Lots of Options, but Most Aren’t as Affordable

If the Dri Eaz F284 DefendAir isn’t quite for you, then I’d highly recommend you check out our other reviews.

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Written by
Mark Johnson
Cleaner Living Expert

Mark has discovered how a clean environment can help in preventing certain air born diseases, allergies and asthma. These days, Mark’s mission is to help businesses, individuals, and families find easy solutions for creating a healthy and safe work and living space, no matter your health condition.