4-Pack Replacement Essick Air MA12001 Humidifier Filter - Compatible Essick Air MAF-1 Air Filter

Essential for Allergy Sufferers.. Replacement Essick Air MA12001 Humidifier Filter - Quantity, 4 Replaces Essick Air MAF-1 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