Replacement Filter C can capture airborne allergens such as mites, mold spores, pet dander, smoke and dusts.
When is the replacement as good, if not better, than the original? That comes to mind with the Honeywell Filter C HEPAClean Replacement Filter, HRF-C1 (Replaces 16216). It’s a 95% efficient HEPA-Type filter, capturing airborne particles at 2 microns and larger, and it reduces household odors. Check the compatibility of Replacement Filter C with your model of air purifier.