About this item

• 1. Rotate your suitable Honeywell humidifier filter HAC 504 replacement every day.
• 2. Only use distilled water to fill the humidifier tank.
• 3. Hard water can degrade and discolor all compatible Honeywell humidifier filters prematurely.
• 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
• 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
• 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