Compatible with: for 800 Series 900 Vacuum Cleaning Robots Hepa filter for 800 900 Series substantially captures 99% of , pollen, and particles as small as 10 microns by the innovative filter design. Filter replacement not only keeps your room tidy and clean,but also maintains your for cleaning in performance. These replacement parts are made of high quality PC, fully use of efficient and filter and side brush material. To keep for running at best performance, the filter should be replaced every two months for 800 series 900 Hepa filter-12 Pack Compatible with: For 800 900 Series ( 800 805 860 861 865 866 870 871 880 885 900 960 966 980 ) Vacuum Cleaning Robots Color: As Shown Material: plastic Package Contents: 12 x HEPA Filter Filters for 800 900 Series 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.