The air cleaning system is more than just a filter. Multiple levels of cleaning include HEPA, UV-C and charcoal to help improve indoor air quality. The true HEPA filtration traps 99.97% of particles down to .3 microns in size, reducing the airborne allergens in your home. HEPA replacement filters B is for use in the GermGuardian True HEPA Air Purifier System AC4820. It's a combination filter that incorporates multiple layers of filtration included in a pre-filter/ charcoal filter, and true HEPA filter to help improve indoor air quality.

Warranty: 3 years

Model: AC48202PK