vornado, hepa filter, for use in vornado air purifiers AC300 & #AC500, removes 99.97% of airborne irritants including pollen, dust, mold, dander & more, replace filter every 2-4 years to ensure peak performance.

• For use with Vornado Purifiers: AC300, AC350, AC500, AC550, PCO200, PCO300, PCO375DC, PCO500, and PCO575DC
• Captures 99% of all airborne particles .3 microns or larger