6-Pack Individuals Holmes 3400 Humidifier Filter - Compatible Holmes HWF75, HWF72 Air Filter

Individuals 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 Termination on air quality and use. Essential for Allergy Sufferers.