Air400 HEPA Filter Replacement for Bissell Air400, H13 True HEPA and Activated Carbon Pack with 4 Pre-Filter, Compared to Part #2521,2520,3365 - FMDZFL

• Compatible with Bissell Air400 Air Purifier 2479 and 24791 models. Includes 1 medical-grade H13 HEPA filter(part #2521), 4 pre-filter and 1 activated carbon filter(part #2520). H13 True HEPA Removes small and airborne particles, including pet dander,dust,and pollen common pollutants. Pre-Filter Traps larger particles in the air like dust, hairs, pet fur, lint and prolong the life of HEPA filter. Activated carbon filters can effectively absorb smoke smell, cooking smell and harmful gases such as formaldehyde and toluene. It is recommended to replace the HEPA filter every 6-12 months and to replace the pre-filter and carbon filter every 3-6 months., Manufacturer: FMDZFL