- Replacement HAC-504 filter for Honeywell – Compatible with Honeywell HCM-300T, Honeywell HCM-350, Honeywell HCM-631, Honeywell HAC-504AW, Honeywell HCM-710, Honeywell HCM-315T, Honeywell HAC-504, Honeywell HCM-630, Honeywell HCM-300, Enviracaire ECM-250i, Honeywell HCM-600, Honeywell HCM-500, Honeywell HCM-2020, Honeywell HCM-2000, Honeywell HCM-1000, Honeywell HCM2000, Honeywell HCM1000, Relion RH1300, Honeywell HCM-650, Honeywell HCM-646, Honeywell HCM-645, Honeywell HCM-640BW
- Replaces Honeywell HAC504 Humidifier filter
- Traps Water Impurities & Dissolved Solids Before They Become Airborne
- For best results, change air filter at least once per season or more often depending on air quality and use.
- Essential for Allergy Sufferers.
