Colorfullife HAC-504 Humidifier Replacement Filters, 4-Pack

Colorfullife HAC-504 replacement humidifier filters are sold as a four-pack for compatible Honeywell humidifiers. The listing describes a multi-layer honeycomb paper wick and gives a broad compatibility list, so confirm your exact humidifier model before ordering.

At a glance

Four replacement filters are claimed in the product features.
The listing describes a honeycomb paper wick intended to absorb water and reduce sagging when wet.
Compatibility is claimed for multiple Honeywell HCM and HEV models, plus Enviracaire ECM-250 and listed HCM-2000 series models.

Price

$19.99Save 20%

Reference price: ~~$24.99~~

Price checked: Nov 12, 2026

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Pros and cons

Pros

The four-filter pack provides replacement stock for repeated maintenance.
The compatibility list names many specific Honeywell humidifier models, making model matching more useful than relying only on the HAC-504 reference.

Technical specifications

7 specifications

Identity
Brand	Colorfullife

Dimensions and installation
Weight listed	8.8 ounces

Compatibility
Honeywell HCM-300 series	HCM-300T, HCM-305T, HCM-305T-CST, HCM-310T, HCM-315T, HCM-350, HCM-350B, HCM-350W, HCM-350B-CST
Honeywell HCM-500 series	HCM-530, HCM-535, HCM-535-20, HCM-540, HCM-550, HCM-550-19, HCM-551, HCM-560
Honeywell HCM-600 series	HCM-630, HCM-631, HCM-632, HCM-632TG, HCM-635, HCM-640BW, HCM-645, HCM-646, HCM-650
Compared filter references	HAC-504,HAC-504AW,HAC504V1

Filter and care claims
Suggested replacement interval	every 2-3 months

What to know before buying

The listing recommends replacement every 2–3 months depending on use and environment, and says hard water may reduce performance and cause premature yellowing. It recommends soaking a new filter in cool water, flipping it daily, and using distilled water.

Who is it for?

A good fit for

Owners of a Honeywell humidifier model explicitly listed as compatible who want replacement wick filters in a four-pack.
Buyers looking for an alternative filter labeled for HAC-504 or HAC-504AW.

Less suited to

Owners whose humidifier model is not included in the compatibility claims, unless they confirm fit before purchase.
Buyers who need a complete humidifier rather than replacement filters.

Colorfullife HAC-504 Humidifier Replacement Filters, 4-Pack · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.6 / 5 · 1,608 ratings

5 stars76%76%
4 stars15%15%
3 stars5%5%
2 stars1%1%
1 star3%3%

Aggregate customer ratings are mostly in the five- and four-star categories, with a smaller spread across lower ratings. They suggest generally favorable reception but do not show what customers praised or criticized. For buyers, the practical decision points remain exact model compatibility and following the listing’s water and replacement guidance.

Frequently asked questions

How many filters are included?

The product features state that the package includes four replacement filters.

Which humidifiers are listed as compatible?

The listing names various Honeywell HCM-300, HCM-500, HCM-600, HCM-700, HCM-1000 and HCM-2000 series models, HEV-312 and HEV-355, and Enviracaire ECM-250. Check the full model number against the compatibility list before ordering.

How often should the filter be replaced?

The listing recommends replacing it every 2–3 months, depending on use and environment.

What care does the listing recommend?

It advises soaking a replacement in cool water, flipping it daily, and filling the humidifier tank with distilled water. It says hard water can cause early yellowing and reduce filter performance.