6-Pack Replacement Vornado Model 50 Humidifier Filter - Compatible Vornado MD1-0002, MD1-0001 Air Filter

Replacement Vornado Model 50 Humidifier Filter - Quantity, 6 Replaces Vornado MD1-0002, MD1-0001 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.