Durabasics 4 Pack of Premium Humidifier Filters Compatible with Honeywell Humidifier Filters HAC-504, HAC-504AW & Honeywell Filter A | Replacement for HCM 350 Filters & Cool Mist Humidifiers

Price: $29.99
(as of Oct 03, 2026 14:48:58 UTC – Details)

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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
Rigid Construction To Reduce Sagging – Our replacements for Honeywell replacement Filter A and Honeywell replacement filter HAC-504 are constructed with rigid absorbent paper to improve our filter’s structure once wet and reduce sagging
Compatible With Honeywell Humidifier Filter Model HCM350W & More – Fits HCM350W, HCM-350, HCM350, HCM-350B, HCM350B, HCM-350W, HCM-350B-CST, HCM-300, HCM300, HCM-300T, HCM300T, HCM-305T, HCM305T, HCM-310T, HCM310T, HCM-315T, HCM315T, HCM305BCST, HCM-450B-CST, HCM450BCST, HCM-500, HCM500, HCM-530, HCM530, HCM-535, HCM353, HCM-535-20, HCM53520, HCM-540, HCM540, HCM-550, HCM550, HCM-550-19, HCM55019, HCM-551, HCM551, HCM-560, HCM560, HCM-600, HCM600, HCM-630, HCM630, HCM-631, HCM631
Tips For Daily Use – For best results, flip your compatible Honeywell humidifier filter HAC 504 replacement daily and only fill humidifier tank with distilled water. Hard water degrades ALL compatible Honeywell humidifier filters and yellows them prematurely
Soak Before Replacing Your Compatible Honeywell Humidifier Filters Replacement Filters – Soak your Durabasics wick for Honeywell HCM350W filter in cool water before replacing to ensure uninterrupted moisture output