6-Pack Replacement Holmes 3400 Humidifier Filter - Compatible Holmes HWF75, HWF72 Air Filter
$15.73
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6-Pack Replacement Holmes 3400 Humidifier Filter - Compatible Holmes HWF75, HWF72 Air Filter
$15.73
Replacement Holmes 3400 Humidifier Filter - Quantity, 6 Replaces Holmes HWF75, HWF72 Air Filter Traps Water Impurities & Dissolved Solids Before They Become Airborne For best results, change air filter at least once per season or more often depending on air quality and use. Essential for Allergy Sufferers.