1 Honeywell HC-14 Humidifier Filter, Fits Honeywell HCM3500, HM3600 & HCM-6000, Compare to Part HC-14, HC14, Designed & Engineered by Crucial Air 1 Honeywell HC-14 Humidifier Filter Fits Honeywell HCM3500, HM3600 & HCM-6000 Compare to Part HC-14