6-Pack Replacement MoistAir HD1300W Humidifier Filter - matching MoistAir HDC12 Air Filter

Essential for Allergy Sufferers.. Replacement MoistAir HD1300W Humidifier Filter - Quantity, 6 Replaces MoistAir HDC12 Air Filter Traps moisture Impurities & Dissolved Solids Before They Become Airborne For best results, change air filter at least once per season or more often depending on air superior and use