8-Pack Replacement MoistAir HD120020 Humidifier Filter - appropriate MoistAir HDC12 Air Filter

Essential for Allergy Sufferers.. Replacement MoistAir HD120020 Humidifier Filter - Quantity, 8 Replaces MoistAir HDC12 Air Filter Traps aqua Impurities & Dissolved Solids Before They Become Airborne For best results, change air filter at least once per season or more often depending on air high-grade and use