3-Pack Replacement for Blueair 205 Air Purifier Filter - suitable with Blueair 200 & 300 Air Filter

Essential for Allergy Sufferers.. Replacement Blueair 205 Humidifier Filter; Quantity: 3 Replaces Blueair 200 & 300 Air Filter Gradient filter design maximizes airflow while removing harmful particles to 0.1 microns in size For best results, change air filter at least once per season or more often depending on air premium and use