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The Honeywell HAC-504 is the correct replacement HEPA filter for the following systems:
The Honeywell HAC-504 Humidifier Filter Replacement is a Honeywell compatible HEPA filter. This HEPA filter reduces contaminants and minerals in your water to prevent airborne pollution. This Honeywell HEPA Filter has ProTec Antimicrobial Treatment that prevents the migration and growth of algae, mold, bacteria and fungus on the HAC-504 filter.
Depending on your water, the discoloration experienced with your Honeywell HAC504 HEPA Replacement Humidifier Filter is normal. For optimum performance and cost efficiency, it is recommended that you replace your Honeywell Humidifier Filter every 2 months, depending on water quality and usage. When changing your filter, your hands will stay clean and dry with the dry lift handle.
Honeywell HAC-504 HEPA Humidifier Filter specifications:
The Honeywell HAC504 Replacement HEPA Filter fits the following Honeywell Humidifier systems: Honeywell HCM-1000 series: Honeywell 1000, Honeywell 1000C and Honeywell 1010: Honeywell HCM-2000 series: Honeywell 2000, Honeywell 2000C, Honeywell 2002 and Honeywell 2020 and Honeywell 2050; Honeywell HCM-500 series: Honeywell 530, Honeywell 535, Honeywell 540, Honeywell 550 and Honeywell 560; Honeywell Environizer 63-1508 and Honeywell Enviracare ECM-250i; Honeywell HCM-600 Series: Honeywell 630, Honeywell 635, Honeywell 645, Honeywell 646, Honeywell 650 and HCM-300T.
The material this Honeywell HAC-504 HEPA Filter is made from is reinforced to optimize efficiency and longer filter life.