Humidifier Replacement Filter

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Honeywell Replacement Filter Natural Cool Moisture Humidifiers

Prolong the life of your Honeywell Humidifier with the Honeywell Humidifier Replacement Filter (HAC-504AW). This filter uses a Protec Antimicrobial Treatment to prevent the growth of mold, fungus, algae and bacteria. In addition, it's made out of a durable material that ensures maximum performance.

The Humidifier Replacement Filter also offers an Air Washing prefilter for trapping dust as well as a Dry Lift Handle so your hand is able to stay dry while you're replacing the filter. It's compatible with Honeywell Natural Cool Moisture Humidifiers and comes in a pack of one (1). Order yours today!

  • Versatile in the Honeywell Family:

    Fits models: HCM-1000 Series, HCM-2000 Series, HCM-500 Series, ECM-250i, HCM-600 Series, the HCM-300T, and HCM-310T

  • Clean Air:

    Its Air Washing feature removes minerals and harmful pollutants from the air

  • Equipped for Preventing Growth:

    Protec Antimicrobial Treatment helps prevent the growth of mold, fungus, algae and bacteria on the filter


  • Model: HAC-504AW
    Durable material for maximum efficiency
  • Brand: Honeywell
    Exclusive Dry Lift Handle
  • Keeps pollutants and minerals out of water
    Compatible with Honeywell Natural Cool Moisture Humidifiers
  • Air Washing stops dirt, dust & pollen
    Sold individually
  • Protec Antimicrobial Treatment prevents mold, fungus, algae, and bacteria growth
    Weight: 6.4 oz
  • Warranty:none
    Dimensions: 9.5" H x 5.8" W x 4.1" D
  • Humidifier Replacement Filter