Features:

• For use with Blueair 501, 510B, 601 and 610B models.
• 500/600 Series Particle Filter Kit.
• One complete filter change: 3 standard HEPASilent filters of polypropylene (traps particles) and activated carbon (removes odors and gases).

Editor Reviews:

Product Description:
Captures 99.97% of all the airborne particles as small as .1 microns from the air. Replace filter every 6 months.