AirGenius 4 Compact Tower Air Purifier For Medium Rooms

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The Honeywell AirGenius 4 Compact Air Purifier features 4 levels of cleaning power and a patented ifD® advanced filtration system that provides exceptional air cleaning performance for medium rooms of 150 square feet.

- Patented ifD® high performance filters help capture up to 99.9% of airborne particles like dust, pollen, smoke, pet dander, and dust mite debris1,2
- Permanent washable ifD® filter and foam pre-filter for easy maintenance2
- Independently tested and AHAM Verifide to circulate and filter room air up to 5x per hour in a 150 sq. ft room3
- Helps reduce odors and VOCs

1 From the air that passes through the filter, 0.3 microns and larger
2 The ifD® particle filter and foam pre-filter can be washed to clean, permanent claim based on washing 4 times per year for 5 years.
3 Based on 3rd party independent CADR testing for the smoke CADR value when operated at the highest level. Air circulation depends on many factors, such as room size and configuration. There is no guarantee that all of the air in a room will pass through the filter.
The ifD® Trademark is used by KAZ USA, Inc. under license from Darwin Technology International LTD.

Product Details

  • Details & Dimensions

    The unique, patented ifD® technology uses electrical power to capture up to 99.9% of harmful particles.2,4 As air exits the purifier, molecules are charged to create ions which attach to particles floating in the room. Those particles get pulled back into the air purifier and pass into the electrically charged ifD® filter that is permanent and washable, saving you time and money on replacement filters. With over 25 years of air cleaning expertise, Honeywell air purifiers are designed with your clean air comfort in mind.

    SKU: HFD280B
    Room Size: Medium
    Dimensions: 8.33" x 19.17"
    In the Box: Permanent washable ifD® filter and foam pre-filter, and odor and VOC reducing pre-filter K

    For best performance, use only Genuine Honeywell air purifier filters. Compatible air purifier filter replacements are not guaranteed to offer the same performance or efficiency.


  • Manual & FAQs

    Question: What is the difference between a HEPA and an ifD filter?

    Answer: HEPA and ifD filters use different technology to filter out particles.

    HEPA: Is considered the “gold standard” for mechanical air purification. These units use mechanical filtration by where particles are forced through and trapped in a HEPA filter that is certified to capture up to 99.97% of microscopic allergens as small as 0.3 microns in size. The pre-filters and HEPA filters are replaceable.

    ifD: Uses electronic filtration in which particles are attracted to and captured by the permanent ifD filters. ifD units can capture 99% or 99.9% of particles either 0.2 or 0.3 microns in size and larger depending on the specific model. The main filter is permanent and washable, but some units also work with a pre-filter to capture larger particles and reduce VOC and odors.

    Question: How do I reset the filter light?

    Answer: After you change your filter, the “Check Filter or “Check Pre-Filter” light will remain on until it is reset. With the unit powered on, press the lighted button, and hold for approximately 2 seconds until the light turns off. The electronic filter check is now reset.

    For additional FAQ or post-purchase support, please visit our support page.

  • Warranty

    5 Year Limited Warranty

    What You’ll Need to Register Your Air Purifier:

    1. Model number of the product you purchased
    2. An email address. We will use this to send you confirmation of your registration
    3. The purchase date of your product

What You Need to Know About Your New Purifier 

Whether you have allergens or simply want fresher, cleaner air in your home, we have an air purifier for you.

4 Air Cleaning Levels
4 Air Cleaning Levels
Choose from one of the 4 cleaning levels: germ, allergen, general clean and turbo
For a customized comfortable environment
Permanent Washable Filters
Permanent Washable Filters
Wash and reuse the filters for easy maintenance
Auto Shut-off Timer
Auto Shut-off Timer
Set your air purifier to run for 2, 4, or 8 hours
Filter Check/Reset Light
Filter Check/Reset Light
Filter replacement reminder light tells you when it's time to change your filter

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