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  • The updated version of the HAC504 now features a new optimized filter design that maximizes moisture output.
  • Blue pre-filter layer helps capture large airborne particles from the air that passes through the filter.
  • Protec treated antimicrobial filter inhibits up to 99% of mold growth.
  • Antimicrobial treatment helps prevent the growth and migration of mold, fungus and bacteria on the filter.
  • Wicking filter captures minerals and pollutants from water and helps prevent white dust.
  • Package contains (3) humidifier replacement filters

Fits Honeywell Humidifier Models:

  • HCM-300 Series: HCM-300T, HCM-305T, HCM-310T, HCM-315T, HCM-350, HCM-350B,
  • HEV-300 Series: HEV-312, HEV-355
  • HCM-500 Series: HCM-530, HCM-535, HCM-535-20, HCM-540, HCM-550, HCM-550-19, HCM-551, HCM-560
  • HCM-600 Series: HCM-630, HCM-631, HCM-632, HCM-635, HCM-640BW, HCM-645, HCM-646, HCM-650
  • HCM-700 Series: HCM-710
  • HCM-1000 Series: HCM-1000, HCM-1000C, HCM-1010
  • HCM-2000 Series: HCM-2000C, HCM-2001, HCM-2002, HCM-2020, HCM-2050
  • Also fits: Enviracaire Model: ECM-250i

Combating and removing various harmful pollutants and minerals, this selection of three Honeywell replacement filters has an exceptionally high compatibility range. They can be placed in nearly all Honeywell natural cool moisture humidifiers. The addition of Protec Antibacterial Treatment decreases the amount of growth and migration of mold, fungus, algae and bacteria in the filter. Ensure a premier and hospitable breathing environment for yourself and your loved ones with Genuine Honeywell Filters.

Honeywell HAC-504 Replacement Filters are an ideal replacement for natural cool moisture humidifiers and will greatly assist in the removal of minerals and pollutants from the water. The Protec antimicrobial treatment helps prevent the growth and migration of mold, fungus, algae and bacteria on the filter. Featuring an optimized filter design, the Honeywell HAC-504 allows for the maximum in moisture output. It is recommended that the humidifier wicking filter be flipped regularly for the very best result. Depending on water quality and usage, wicking filters should be replaced every 30-60 days.

Compatible does not mean comparable. For best performance, use only Genuine Honeywell Filters.

Compatible with Humidifier Models:

  • HCM300T (HCM-300T) Humidifier
  • HCM305T (HCM-305T) Humidifier
  • HCM305TCST (HCM-305T-CST) Humidifier
  • HCM310T (HCM-310T) Humidifier
  • HCM315T (HCM-315T) Humidifier
  • HCM350 (HCM-350) Humidifier
  • HCM350B (HCM-350B) Humidifier
  • HCM350BCST (HCM-450B-CST) Humidifier
  • HCM530 (HCM-530) Humidifier
  • HCM535 (HCM-535) Humidifier
  • HCM53520 (HCM-535-20) Humidifier
  • HCM540 (HCM-540) Humidifier
  • HCM550 (HCM-550) Humidifier
  • HCM55019 (HCM-550-19) Humidifier
  • HCM551 (HCM-551) Humidifier
  • HCM560 (HCM-560) Humidifier
  • HCM630 (HCM-630) Humidifier
  • HCM631 (HCM-631) Humidifier
  • HCM632 (HCM-632) Humidifier
  • HCM632TG (HCM-632TG) Humidifier
  • HCM635 (HCM-635) Humidifier
  • HCM640BW (HCM-640BW) Humidifier
  • HCM645 (HCM-645) Humidifier
  • HCM646 (HCM-646) Humidifier
  • HCM710 (HCM-710) Humidifier
  • HCM1000 (HCM-1000) Humidifier
  • HCM1000C (HCM-1000C) Humidifier
  • HCM-1010 (HCM-1010) Humidifier
  • HCM2000 (HCM-2000) Humidifier
  • HCM2000C (HCM-2000C) Humidifier
  • HCM2001 (HCM-2001) Humidifier
  • HCM2002 (HCM-2002) Humidifier
  • HCM2020 (HCM-2020) Humidifier
  • HCM2050 (HCM-2050) Humidifier
  • HCM2051 (HCM-2051) Humidifier
  • HCM2052 (HCM-2052) Humidifier
  • HEV312 (HEV-312) Humidifier
  • HEV355 (HEV-355) Humidifier
  • Enviracaire Mode ECM250i (ECM-250i) Humidifier
Product Details
Product Specs
UPC:
328785003260
MPN:
HAC504PF3V1
Category:
Humidifier Filters
Honeywell Humidifier Replacement Wicking Filter A, 3 Pack Video

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174 Customer Reviews

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Honeywell Humidifier Replacement Wicking Filter A, 3 Pack Reviews
Susan J
February 16, 2024
Verified Purchase
humidifier filter

It is so much easier ordering directly from Honeywell than to go rummaging through filter choices at a store.

Thomas H
February 13, 2024
Verified Purchase
Great support

I have a Honeywell HCM-350 Cool Mist Humidifier that is still going strong after 10years of use. Very happy with it and it keeps my bedroom cool and allows me to get a comfortable night's sleep. So, I’m very pleased to be able to easily purchase the right replacements filters for it.

James E
February 6, 2024
Verified Purchase
Wicking filter review

Wicking filter review these oem replacement wicking filter work great and last long. 2 normally get me through the winter in continous use. Adding humidity to upstairs air. Thanks

Stephanie P
February 5, 2024
Verified Purchase
Best HAC-504 Series Humidifier Replacement Wicking Filters

I love that Honeywell offers the HAC-504 Series Humidifier Replacement Wicking Filters A in a 3 pack! The filters are so well made and really get the job done! I will only buy genuine Honeywell filters!

David K
January 30, 2024
Verified Purchase
Keeps on Working

My Honeywell humidifier keeps working and these replacement filters fit and work fine. I've never had a problem with as long as I clean the humidifier and change the filter every so often.

Glenda P
January 18, 2024
Verified Purchase
Filters

Excellent products, good service, and prompt shipping. Thank you for your professionalism.

Michael E
December 21, 2023
Verified Purchase
Humidifier filter

The Honeywell humidifier and filter are excellent products. The filter is easy to place in the humidifier and easy to clean.

Stacy D
December 18, 2023
Verified Purchase
A perfect fit

These work great in our Honeywell humidifiers. We run 3 in the winter. One in each bedroom. I love that they function by evaporation and not the ultra fine mist. The ultra fine mist left a white film on all our furniture. We switched to evaporative and are very happy.

Joyce S
December 12, 2023
Verified Purchase
Humidifier filters

As always I find your filters great but I wonder whether they are now being made a little thinner.

Stephanie P
November 26, 2023
Verified Purchase
Best Filters

I have used these filters in the past, with other Honeywell Humidifiers that I have had in the past. I am never disappointed. They are well made and they get the job done.

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