COMPATIBILITY: HAP116Z True HEPA filter with HAP116Z HAPF115 Purifier Device. 3 STAGE FILTRATION: Pre-Filter and Premium True HEPA HAP116Z Filter removes 99.97% of airborne particles 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 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 shown material: plastic Package Contents: 5 x filter element Only the above package content, other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.