Replacement Particle Filter for Blueair Classic 400 Series Air Purifies - White

Compatible with most Guardian Technologies AC5000 series 3-in-1 air cleaning systems; photocatalyst and charcoal filter; HEPA and Pet Pure treatment

Freshen up your space with this Blueair Classic 400 series particle filter. The HEPASilent filtration combines electrostatic and mechanical filtration to remove 99.97 percent of particles down to 0.1 microns in size. Antibacterial polypropylene fibers prevent mold and bacterial growth, while porous activated carbon allows this Blueair Classic 400 series particle filter to capture gases and odors.