Availability: In Stock
Price: $48.30 $71.85
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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.

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
Product Details
Product Specs
UPC:
328785003574
MPN:
HAC504PF1
Category:
Humidifier Filters

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.

We make it as easy as possible to ensure you get the lowest prices available:
  • 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.
Send A Request Now
Direct From Warehouse Pricing bulk purchase, wholesale pricing

3304 Customer Reviews

4.9 Overall rating
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Honeywell Humidifier Replacement Filter A Reviews
Dante D
February 14, 2024
Verified Purchase
Humidifier filter

Excellent product. Stays free of any mold or mildew and has excellent wicking action.

Joe G
February 8, 2024
Verified Purchase
Humidifier filters

Filters are of good quality and work really well.

Kristine B
January 22, 2024
Verified Purchase
A filters

A filters keep just the right amount of moisture in our flat. Great product.

Janet J
January 3, 2024
Verified Purchase
Great quality and service

Have been ordering these filters for many years, and as always, my order was processed and shipped promptly. The filters work very efficiently in my humidifier.

Debbie W
December 14, 2023
Verified Purchase
Filters for Humidifiers

Most of the time these filters work great, but sometimes they don't work and water levels don't change and humidity is too low. Not sure why this happens, but like I said, most of the time they work great! I run my machine 24/7/365.

Richard J
December 2, 2023
Verified Purchase
Always a pleasure

Super easy purchase with fast delivery. Never been disappointed ordering direct.

Dante D
November 29, 2023
Verified Purchase
FilterA

These filters work great. Efficient and stay mold free

Blair C
November 13, 2023
Verified Purchase
Humidifier 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, 2023
Verified Purchase
Great 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, 2023
Verified Purchase
Great 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!

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