6 Pack of Premium Humidifier Filters Compatible with Honeywell HAC-504, HAC-504AW, & Filter A, Replacement for Honeywell HCM 350, HCM350, HCM350W, HCM350B, and Other of Cool Mist Humidifier Models : Amazon.co.uk: Home
REVIEWED: Honeywell HCM-350 vs. Carepod One
Humidifier Air Filters A HCM-350 HEV355 Eco-Friendly Healthier Replacement | eBay
Buy Frequent Filter - Compatible Honeywell Germ Free Cool Mist Wicking Humidifier, Filter A. Fits HCM 350, HCM350w, HCM350, Quietcare Tower & More. Replacement HAC 504, HAC504, 504AW - Pack of 4