- Clean and fresh air quality: Replacement filter for Germ Guardian Air Purifier models that filters dust and odors to keep your indoor air clean and safe for your family to breathe. - True HEPA filtration: True HEPA performance captures up to 99.97% of particles as small as 0.3 microns and traps them in the filter panels. - Long lasting clean air: This non-OEM HEPA filter performs as well as the OEM and generally lasts about 12 months before replacement. Provides a cost effective option to maintain clean air year round. Compatible with Germ Guardian models AC5000, AC5000e, AC5250pt, AC5350b, AC5350bca, AC5350w, AC5300b, CDAP5500BAC, CDAP5500WSP, and Pure Guardian Model AP2800CA. - Easy install and replacement: Mounts in the purifier slot; the carbon pre-filter fits on the front of the main filter. No tools required; simply remove the old filter and install the new one for a fast, clean replacement. - Use scenarios: - Allergy season in living areas or bedrooms where dust and pollutants accumulate, helping family members breathe easier. - Homes with pets or odors where regular filtration helps reduce dander and smells. - Shared spaces such as offices or classrooms where consistent air quality is important for occupants and comfort.