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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. |
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Holmes HWF100 Humidifier Replacement Filter, Set of 3
4.0 / 5.0 (29 ratings)
$10.50
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