Honeywell True HEPA Air Purifier with Allergen Remover - White, HPA304

  • Honeywell True HEPA Air Purifier with Allergen Remover - White, HPA304
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AHAM CADR (smoke): 300 - recommended room Size 465 sq.ft.
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Regular: $429.99
Price: $259.99
You Save: $170.00 (40% Off)
Color Options: White
  • HEPA Filtration: helps capture up to 99.97% of the following microscopic airborne allergens and particles: dust, pollen, pet dander, dust mite debris and smoke.1
  • Activated carbon pre-filter helps capture large airborne particles and reduces odors and VOCs.3
  • Independently tested and AHAM Verifide to circulate and filter room air up to 4.8 x per hour in a 465 sq. ft room.2
  • Easy to use touch controls.
  • 3 Power Settings (high/medium/low).
  • Filter Change Indicator and Reset.
  • Auto-Off timer option at 2, 4, or 8 hours.
  • Dimmer option for control panel lights.
  • The Honeywell HPA304 Air Purifier has earned the ENERGY STAR label by meeting strict energy efficient guidelines set by the U.S. EPA. Room air cleaners have demonstrated the potential for improving air quality and providing health benefits. EPA does not endorse manufacturer claims regarding the degree to which a specific product will produce healthier indoor air.
  1. From the air that passes through the filter, 0.3 microns and larger.
  2. 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.
  3. When operated with the odor reducing pre-filter. It is recommended to always use the pre-filter when operating this air purifier. This product does not reduce or adsorb carbon monoxide gas. Make sure gas appliances are well ventilated.

The new ENERGY STAR qualified, Honeywell True HEPA Allergen Remover helps capture up to 99.97% of airborne allergens and particles.1 This air purifier is highly effective at capturing airborne particles such as dust, smoke, pollen, pet dander and mold spores in large rooms (4.8 x air changes per hour in a 465 sq. ft.).2 An odor reducing pre-filter and True HEPA filter are paired to help capture odors and VOCs.3 The Honeywell HPA304 True HEPA Air Purifier with Allergen Remover offers easy tap controls and an automatic shut off timer.

A+ Genuine Pre-Filter

This air purifier works with the Honeywell A and A+ Pre-Filter. The Pre-Filter is the first level of filtration and helps capture large particles such as dust, lint, fibers and pet fur and helps to reduce VOCs & odors from cooking, smoke, bathrooms and pets. This filter should be replaced every 3 months. The filter check/reset light will remind you when it's time to change your filter. Initial filter is included. To ensure stated product performance, use only genuine and certified Honeywell replacement filters.

R Certified True HEPA Filter

The Certified Honeywell True HEPA R Replacement Filter helps capture up to 99.97% of microscopic allergens, 0.3 microns & larger from any air passing through the filter. For optimal cleaning performance, replace your HEPA filter every 12 months. The filter check/reset light on the HPA304 Air Purifier will remind you when it's time to change your filter. Initial filter is included.

AHAM Verifide

Any air purifier that is AHAM (Association of Home Appliance Manufacturers) Verifide means that it has been independently tested to ensure its efficiency in reducing smoke, dust and pollen in the suggested room size. The AHAM assigns a CADR (Clean Air Delivery Rate) Rating that measures the volume of filtered air delivered by an air cleaner. The Honeywell HPA304 True HEPA Air Purifier received the following CADR Rating:

  • 4.8 Air changes per hour in a 465 sq. ft. room
  • Tobacco Smoke: 300
  • Dust: 320
  • Pollen: 300
Product Details
  • Replacement Pre-Filters: HRF-A300, HRF-AP1 and HRF-APP1
  • Replacement HEPA Filters: HRF-R3 (3-Pack) and HRF-ARVP300 HEPA Filter & Pre-Filter Combo Pack
  • Room Size: Large (465 sq. ft.)
  • Product Dimensions: (LxWxH): 20.8 x 10.83 x 22.38 in.
  • Product Weight: 17 lbs.
  • Warranty: 5 Year Limited Warranty
  1. From the air that passes through the filter, 0.3 microns and larger.
  2. 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.
  3. When operated with the odor reducing pre-filter. It is recommended to always use the pre-filter when operating this air purifier. This product does not reduce or adsorb carbon monoxide gas. Make sure gas appliances are well ventilated.
Product Specs
UPC:
328785001693
MPN:
HPA304
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Customer Reviews

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4.9

Average score based on 49 reviews

Rating: 4.9/5Rating: 4.9/5Rating: 4.9/5Rating: 4.9/5Rating: 4.9/5
Honeywell True HEPA Air Purifier with Allergen Remover - White, HPA304 Reviews

Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5So far so good!

Reviewed: 06/15/2021 by LUIS M

The air in my office is noticeably cleaner. My allergy symptoms have subsided dramatically since I started using the Honeywell Tru HEPA Whole Room Air Purifier.

Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5Quiet and effective

Reviewed: 06/03/2021 by Thomas F

I was surprised by how quiet this air purifier is compared to others on the market. Sure, the turbo setting is loud, but that's understandable, and you only need to use it every so often. The purifier is simple and effective, it's really just a fan sucking air through HEPA filters, which is all you really need ie, no ozone like you get with ionizing purifiers. So far, so good.

Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5Helps with sleeping

Reviewed: 05/23/2021 by Melissa R

We bought this air purifier during the height of covid, just wanted something running in the background in our bedroom. After covid now, we found this purifier to help us sleep. It kept our air fresh in the winter when it was hard open windows. I definitely would recommend this to others.

Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5Love my new air purifier

Reviewed: 04/16/2021 by Jean N

My new honeywell air purifier has been an excellent purchase. Has helped relieve my allergy symptoms. The turbo setting is a bit loud but all 3 other settings are just fine for my 500 sq ft open air LR/DR/Kitchen set up. I purchased this after reading reviews on it by consumer report

Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5Excellent Air Purifier

Reviewed: 03/23/2021 by Sharon C

I purchased this air purifier after receiving great feedback and reading reviews. My daughter who has allergies has noticed a difference almost immediately.

Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5Bunny's HEPA

Reviewed: 03/17/2021 by Marie Mulcahy

Quiet, efficient. I bought the white and I am quite pleased with it.

Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5Works very well

Reviewed: 03/12/2021 by Joseph Stern

The unit works as well as described. Unfortunately one of the clips holding the front cover was broken. This does not impede the extremely well working unit.

Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5Honeywell

Reviewed: 02/12/2021 by Roberta Harris

System is running fine. Using in my sewing area where I sew, cut, press for about 4 hrs a day. Feel it is already making a difference with the finer dust

Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5new product

Reviewed: 02/03/2021 by Nancy Alewine

I have 3 Honeywell room air purifiers in my home. one of the quit working and I ordered this one. It is much quieter than the one it replaced and has more features. so far I LOVE it

Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5Amazing Product

Reviewed: 01/31/2021 by Lauren BR

Absolutely love this filter! I have severe allergies and asthma and could tell that night it made a big difference. I like that I can dim light.

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