Premium quality HEPA filter capture 99.97% of airborne particles down to 0.3 microns.
360° Filtration system intakes air from all directions in the environment.
Nispira 360° True HEPA Air Intake Filter Replacement Compatible with Holmes Egg shape Air Purifier HAP600B-TU.
1 Filter included. Dimension 7.1 in x 2.4 in x 7.1 in". Suggest replacing the filter every month the most to maximize the performance. Quality meets or exceeds the leading national brand.