Holmes HWF100-UC3 Humidifier Replacement Filter, Set of 3
- Improves efficiency of the humidifier
- Extended filter life with help of reinforce outer layer
- Extends product life as less mineral deposits will attach to the unit
- Install at the beginning of each season, replacing every 2 to 4 weeks or as needed
- Measures approximately 5-3/5 by 4 by 7-4/5 inches
The HWF100 filter improves the efficiency of your humidifier by trapping mineral deposits from the water. It is treated with Arm & Hammer Baking Soda and Microban Antimicrobial Product Protection for added peace of mind. Humidifier filters should be replaced at the start of every season and then replaced every 2 to 4 weeks depending on the usage and hardness of the water.
