Key Features

• 6 Piece Value Pack - 6 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, Honeywell replacement filter HAC-504 and Honeywell humidifier Filter A are constructed with rigid absorbent paper to improve our filter's structure once wet and reduce sagging
• Humidifier Compatibility - Fits HCM-300, HCM-300T, HCM-305T, HCM-310T, HCM-315T, HCM-350, HCM-350B, HCM-350W, HCM-350B-CST, HCM450BCST, HCM-500, HCM-530, HCM-535, HCM-535-20, HCM-540, HCM-550, HCM-550-19, HCM-551, HCM-560, HCM-600, HCM-630, HCM-631, HCM-632, HCM-632TG, HCM-635, HCM-640BW, HCM-645, HCM-646, HCM-650, HCM-700, HCM-710, HCM-1000, HCM-1000C, HCM-1010, HCM-2000, HCM-2000C, HCM-2001, HCM-2002, HCM-2020, HCM-2050, HCM-2051, HCM2052, HEV-312, and HEV-355
• 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

Specifications