Amazon.com: Durabasics 4 Pack of Premium Humidifier Filters Compatible with Honeywell Humidifier Filter HAC-504, HAC-504AW & Honeywell Filter A | Replacement for Honeywell Filter HCM 350 & Cool Mist Humidifiers : Appliances
Amazon.com - Canopy Humidifier PLUS Filters - HUMIDIFIER PLUS ONLY - DOES NOT FIT BEDSIDE OR NURSERY - Pack of 1 Filter - Made with Wood Pulp, Paper Filter, Replace Every Six Weeks