Honeywell HAC-504 Humidifier Replacement Filter A
- 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.
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, these Honeywell replacement filters have 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 a Genuine Honeywell Filter.
The Honeywell HAC-504 Replacement Filter is 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
- Genuine Honeywell Filter
- Product Size (LxWxH): 3.75 x 5.75 x 9.25 in.
- Change your filter if it is hard, crusty or brittle, it develops an odor or if the moisture output has decreased.
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.
- Let us know what products & the quantities you are interested in.
- Get a detailed quote from a dedicated sales rep.
- Our warehouse ships directly to you.
- You enjoy the savings & are now a preferred customer.
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3299 Customer Reviews
4.9 Overall rating
Honeywell Humidifier Replacement Filter A Reviews
Richard J
December 2, 2023Always a pleasure
Super easy purchase with fast delivery. Never been disappointed ordering direct.
Dante D
November 29, 2023FilterA
These filters work great. Efficient and stay mold free
Blair C
November 13, 2023Humidifier filters that work for a good length of thime
These filters are well build and hold there structure. They last several weeks on constant use.
Linda K
October 30, 2023Great product and great service
I don't buy our humidifier filters from any other store but Honeywell. Thank you for a great product and great service.
Walt M
October 16, 2023Great service
Got a reminder just when I was thinking I needed to order, easy to order and got them quick. Refreshing to have it go so well. Thanks guys!
Kathleen Murphy
October 5, 2023Honeywell humidifier filters
I only purchase Honeywell because they are the best quality, “Hands Down”!!!
Sandra R C
July 7, 2023Easy filter replacement
Easy to replace and keeps humidifier cleaner.
Kari M
May 17, 2023Filter
For a small unit it does a good job adding moisture to your room
Susan J
May 8, 2023Humidifier filter
Buying this filter from Honeywell is so convenient because I know I will get what I need from my machine and they always work just as they're supposed to.
STEVE k
April 10, 2023Works great
These are an excellent choice to replace every year, at a fair price.