Nispira True HEPA filter with preliminary filter and activated carbon filter compatible with Bissell 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
1 set included. Dimension: 1.3" x 13.7" x 16.06". Suggest replacing the filter set every 6 months the most to optimize the performance
100% customer satisfaction guaranteed. Quality meets or exceeds the leading brand