The updated Honeywell HAC-504 Humidifier Replacement Wicking Filter A, 1 Pack now features a new optimized filter design to help maximize moisture output and capture large airborne particles.
It combats and helps remove various harmful pollutants and minerals while remaining compatible with a wide range of Honeywell natural cool moisture humidifiers. Moreover, the addition of the antimicrobial-treated Protec filter helps inhibit up to 99% of mold growth and decreases bacteria, algae, and fungus while also preventing white dust. This helps to ensure a better breathing environment for you and your loved ones. Package contains (1) one Honeywell HAC-504 Humidifier Replacement Filter A.
This humidifier replacement filter works with:
- HCM-300 Series: HCM-300T, HCM-305T, HCM-310T, HCM-315T, HCM-350, HCM-350B Humidifiers
- HEV-300 Series: HEV-312, HEV-355 Humidifiers
- HCM-500 Series: HCM-530, HCM-535, HCM-535-20, HCM-540, HCM-550, HCM-550-19, HCM-551, HCM-560 Humidifiers
- HCM-600 Series: HCM-630, HCM-631, HCM-632, HCM-635, HCM-640BW, HCM-645, HCM-646, HCM-650 Humidifiers
- HCM-700 Series: HCM-710
- HCM-1000 Series: HCM-1000, HCM-1000C, HCM-1010 Humidifiers
- HCM-2000 Series: HCM-2000C, HCM-2001, HCM-2002, HCM-2020, HCM-2050 Humidifiers
- Enviracaire Model: ECM-250i
Product Features:
- Updated HAC504P features an optimized filter design for maximum moisture output
- Works with Honeywell HCM-300, HEV-300, HCM-500, HCM-600, HCM-700, HCM-1000, and HCM-2000 series cool moisture humidifiers
- Blue outer pre-filter layer helps capture larger airborne particles that pass through the filter
- This Protec antimicrobial treated filter helps inhibit up to 99% of mold growth
- Antimicrobial treated filters help to prevent mold growth and migration of mold, fungus, and bacteria
- Wicking capabilities work to capture minerals and pollutants from water, thereby helping prevent white dust
- Package contains (1) one Honeywell Replacement Wicking Filter A
- Dimensions Product Size (LxWxH): 3.75 x 5.75 x 9.25 in.
- For optimal performance, it’s recommended that the humidifier wicking filter be regularly flipped for best results
- Recommended filter replacement every 30-60 days or when the filter becomes hard, brittle, or moisture output decreases, or it develops an odor




















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