Humidifier Compatible Bionaire Bionaire Replacement 4-Pack - Filter BWF1500-UC Filter Air BWF1500-UC

Replacement Bionaire BWF1500-UC Humidifier Filter - Quantity, 4 Replaces Bionaire BWF1500-UC Air Filter Traps 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.