4-Pack Compatible with Honeywell HCM631, HCM635, HCM645, HCM650, HCM300T, HCM315T, HCM350 by Air Filter Factory

4-Pack Compatible with Honeywell HCM631, HCM635, HCM645, HCM650, HCM300T, HCM315T, HCM350 by Air Filter Factory Non-OEM replacement wick filters for Honeywell HCM631, HCM635, HCM645, HCM650, HCM300T, HCM315T, HCM350 models Made in the USA UPC 842477101268 Designed and distributed solely by Air Filter Factory Humidifier filters are meant to be replaced every 6 months Note: this is not a Honeywell OEM product and is not covered under any Honeywell and logos are the registered trademarks of their respective owners. Any use of the Honeywell brand name or model designation for this product is made solely for purposes of demonstrating compatibility