Honeywell HAC-504AW Compatible 4 Pack

Perfect Replacement for Honeywell® HAC-504, HAC-504AW & HAC-501V1 Filters Made from high-quality, durable material, these filters are compatible with the below Honeywell® humidifier models: HCM-300 Series: HCM-300T, HCM-305T, HCM-310T, HCM-315T, HCM-350, HCM-350B, HCM-350W & HCM-450BCST HCM-500 Series: HCM-530, HCM-535, HCM-535-20, HCM-540, HCM-550, HCM-550-19, HCM-551, & HCM-560 HCM-600 Series: HCM-630, HCM-631, HCM-632, HCM-632TG, HCM-635, HCM-640BW, HCM-645, HCM-646, & HCM-650 HCM-700 Series: HCM-710 HCM-1000 Series: HCM-1000, HCM-1000C, & HCM-1010 HCM-2000 Series: HCM-2000C, HCM-2001, HCM-2002, HCM-2020, HCM-2050, HCM-2051, HCM2052, HEV-312, & HEV-355 Enviracaire Series: ECM-250i   Rigid Construction Reduces Sagging Rigid absorbent paper reduces sagging once wet while maximizing your Honeywell's(R) moisure output   Tips for Daily Use For best results, flip filter daily to reduce molding, use antimicrobial capsules (sold separately) and use distilled water