4-Pack Replacement Bionaire W14 Humidifier Filter - matching Bionaire BWF1500-UC Air Filter

Essential for Allergy Sufferers.. Replacement Bionaire W14 Humidifier Filter - Quantity, 4 Replaces Bionaire BWF1500-UC Air Filter Traps liquid 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