COMPATIBILITY: HAP116Z True HEPA filter Compatible with Holmes HAP116Z HAPF115 Air Purifier Device.3 STAGE FILTRATION: Pre-Filter and Premium True HEPA HAP116Z Filter removes 99.97% of airborne particles down to 0.3 microns in size. An activated carbon filter efficiently removes household odors from pets, cooking, smoking, and VOCs.EASY TO INSTALL: The HAP116Z Filter Replacement is easy to be replaced and disposed of without any tool required. HAP116Z Filter Replacement Replace every 6-8 months depending on the usage and environment.REPLACEMENT: Simply remove the older and dirty HAP116Z Filter and replace and re-secure the cover, in just 1 minute.Color: As shownmaterial: plasticPackage Contents:10 x filter Only the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.