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  • In the Box: 2 Honeywell Pre Filter K
  • K Pre-Filters: Capture larger airborne particles and reduces odors and VOCs.1
  • Deodorizes the air, reducing odors with potassium permanganate calcite.
  • Replace Honeywell Pre Filter K every 3 months.
  • Fits Honeywell Air Purifier Models: HFD-120, HFD-123, HFD-140, HFD-230, HFD-280, HFD-300, HFD-310, HFD-320 and HFD-360.
  • For best performance, use only Certified Honeywell Air Purifier Filters. Compatible air purifier filter replacements are not guaranteed to offer the same performance, efficiency or fit.
  1. From the air that passes through the filter, 0.3 microns and larger.

The Honeywell K Household Odor and Gas Reducing Pre-filter assists in the capturing of harmful and potentially dangerous gasses and VOCs such as ammonia from the air that passes through the filter. This selection of Honeywell K Pre Filters also performs serviceably as deodorizers and will keep your surrounding area smelling fresh and clean. Larger particles such as dust, lint, fibers and pet fur are also captured from the air that passes through the filter. This package includes 2 pre-filters and is best utilized when changed every 3 months. Honeywell Pre Filter K is compatible with: HFD-120, HFD-123, HFD-140, HFD-230, HFD-280, HFD-300, HFD-310, HFD-320 and HFD-360. Establish an unrivaled breathing experience for yourself and your loved ones with Honeywell Store's selection of air purifier filters.

Honeywell K Replacement Air Purifier Pre-Filters are a very helpful complement to the ifD filter used in Honeywell QuietClean and AirGenius Air Purifiers. These optional pre-filters trap larger particles before they reach the iFD filter in your QuietClean or AirGenius air purifier. In the process, they deodorize the air that passes through them and capture some harmful gases and volatile organic compounds (VOCs) as well.

Honeywell HRF-K2 Household Odor and Gas Reducing Pre-filters can be used in a variety of Honeywell Air Purifiers. Please check the air purifier model range below to see if your air purifier is listed.

  • HFD120 (HFD-120) Air Purifier
  • HFD123 (HFD-123) Air Purifier 
  • HFD140 (HFD-140) Air Purifier
  • HFD230 (HFD-230) Air Purifier
  • HFD280 (HFD-280) Air Purifier
  • HFD300 (HFD-300) Air Purifier
  • HFD310 (HFD-310) Air Purifier
  • HFD320 (HFD-320) Air Purifier
  • HFD323 (HFD-323) Air Purifier
  • HFD360 (HFD-360) Air Purifier
Are these authentic Honeywell Pre-filters?
Yes, the Honeywell Store only sells Genuine Honeywell Filters.
How often do I change the Honeywell HRF-K2 Filter?
Honeywell Filter K should be replaced every three months.
How do I clean the air purifier filter?
Honeywell Pre Filters should not be washed or cleaned. Attempting to clean or wash an air purifier filter could reduce its effectiveness.
Can I wash air purifier filters and reuse them?
No, it is generally not recommended. Honeywell Pre Filters should be replaced every three months.
How long does the HRF-K2 filter last?
Honeywell K Filters last for three months.
How do I reset the air purifier filter light?
When you change the pre filter, the "Check Filter" or "Check Pre-Filter" light will remain on until it is reset. While the air purifier is on, press the lit button and hold it for approximately two seconds. This will turn the filter light off.
Product Details
Product Specs
Air Purifier Filters
Honeywell Household Odor And Gas Reducing Pre-Filter K, 2 Pack Video

If you are interested in ordering a large quantity of items you may qualify for volume pricing discounts. Volume Discount Pricing is a great way for customers to save big on large, bulk orders of most items available in our store. Please send a bulk order request to our friendly sales staff so they may create a quote and provide personal service for your order! You will receive a response within 1-2 business days and our office hours are Monday through Friday, 8am-5pm CST.

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HRF-K2 customer reviews

Overall Rating

207 Reviews
206 customers recommend this product
Honeywell Household Odor And Gas Reducing Pre-Filter K, 2 Pack Reviews
Stephanie G
July 6, 2024
Verified Purchase
Livingroom purifier filters

These pre-filters work really well to keep alot of the dust from getting to the main filters. This purifier has really helped stop our sneezing and coughing.

Joyce M
May 13, 2024
Verified Purchase
Filter review

Product as advertised and less than price at retail stores. I’ve ordered several times from this web site and have always been satisfied.

Kelly C
April 25, 2024
Verified Purchase
Filters are great!

I always order these filter replacements. They work perfectly. You do have to cut them to fit to size. Good pricing and shipping. And shipping time is always fast.

William S
January 28, 2024
Verified Purchase
Does the job

We smoke and the filter really reduces the smoke. And they help with allergies

Joyce M
November 13, 2023
Verified Purchase
Review filter order

Product was exactly as advertised. Product was perfect fit for my air purifier and the price was great. I will continue to order from this web site.

Deborah R
November 5, 2023
Verified Purchase
Always get the right item

I feel secure buying directly from Honeywell because the product is always what I need.

Kelly C
October 25, 2023
Verified Purchase
Buy these over and over

Work so well in my air cleaner. Easy to cut and install. Have ordered these many times and will continue to do so.

Kathleen B
July 10, 2023
Verified Purchase
Cleaner Air

These filters do a good job of cleaning the air that passes through my tower air purifier, they catch a lot of dust so I don't breathe it.

Jerome J
June 15, 2023
Verified Purchase
Long experience

Honeywell completes my indoor air purification very well.

Regina M
May 3, 2023
Verified Purchase

Great and much needed for my asthma, it helps me breathe better and sleep better

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