Prefect Compatible: These replacement filters are super fit for -HA50, for AirClean 50, Complete C2, Complete C3, Compact C2, S4, S5, S6, S8, S8000, S8999, S6000, S6999, S5000 Premium Material & High Efficiency: These Active AirClean filter replacement made of material, takes out 99.97% of airborne substance as small as 0.03 microns with powerful suction and effectively. and , particularly beneficial for households with pets. Washable & Reusable: This vacuum cleaner replacement are washable & reusable. Wash it with water regularly, and let it completely air dry out before reusing.(No tools required. Recommended to replace every 2-4 months to maintain optimal performance.) Value Package: Include 4 Pack Filters. Help you to improve the air quality in your home, office. Color:As Shown Material:plastic Package Contents: 4 * hepa 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.