Nispira AER1 HEPA Replacement Filter with Carbon Booster for Holmes Air Purifier HAPF30AT-U4R HAP242-NUC Item Package Quantity:4 HEPA + 4 Pre Filter Compared to original part MA#25R

Compared to original part MA#25R

Made with premium coconut shell carbon block to remove chlorine

It also captures any harmful VOC chemical to bring you peace of mind for the indoor air

For use only with BB9-2

Dimension 10

Nispira AER1 HEPA Replacement Filter with Carbon Booster for Holmes Air Purifier HAPF30AT-U4R HAP242-NUC Item Package Quantity:4 HEPA + 4 Pre Filter Compared to original part MA#25RQUALITY AIR FILTERS: premium HEPA filters and Carbon filters compatible with Holmes and Bionaire air purifiers. HEPA FILTER: HEPA filters remove up to 99. 97 percent of airborne particles as small as 0. 3 microns. Odor and Smoke Removal: Effectively removes odors, smoke, and volatile organic compounds (VOCs) from the air. Each pack has 4 carbon pre filters. Suggest to replace every 3 months the most to optimize the performance Easy to install. Just