8-Pack Replacement Vornado 221 Humidifier Filter - Compatible Vornado MD1-0002; MD1-0001 Air Filter

Replacement Vornado 221 Humidifier Filter - Quantity; 8 Replaces Vornado MD1-0002; MD1-0001 Air Filter Traps 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.