Nispira True Hepa Activated Carbon Filter Set for Air400 Bissell Air Purifier 2520 and 2521 Health Suggest replacing the cartridge every

Suggest replacing the cartridge every 3 months to keep your water source fresh and clean

1 × Main Replacement Filter4 × Activated Carbon Pre-Filters

DLGX2802W  DLGX2902V  DLGX3002P

If that is too bulky for you

Nispira True Hepa Activated Carbon Filter Set for Air400 Bissell Air Purifier 2520 and 2521 Health Suggest replacing the cartridge everyNispira True HEPA filter with preliminary filter and activated carbon filter compatible with Air Purifier Air400 Compared to original part 2520 carbon filter and 2521 true HEPA filter Preliminary Filter to trap hair and pet dander. High quality HEPA filter capture 99. 97% of airborne particles down to 0. 3 microns. Activated carbon filter captures household odor and chemical VOCs Dimension: 1. 3" x 13. 7" x 16. 06". Suggest replacing the filter set