4 Piece Value Pack - 4 premium humidifiers filters for your Honeywell HAC-504, HAC-504AW, and HAC-504V1 humidifier filters. Made from high-quality, durable material with an optimized filter design to maximize your compatible Honeywell HCM 350 filter moisture output.
- Our upgraded filters feature a blue pre-filter to catch large particles before they enter your air, for even higher air quality
- Rigid Construction To Reduce Sagging - Constructed with rigid absorbent paper to improve the filter's structure once wet and reduce sagging
- flip your compatible Honeywell humidifier filter HAC 504 replacement daily and only fill humidifier tank with distilled water.
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