JUMBO FILTER 6pcs Hepa Filter Replacement For irobot Roomba 800 900 Series 805 860 870 871 880 890 960 980 Compatible with: irobot Roomba 800 900 Series 805 860 870 871 880 890 960 980 Package Includes: 6pcs Hepa Filter Specification: High effeciency to reduce dust, pollen and other allergens. And remove dust and pet hair easily Advise: Roomba vacuum parts should be replaced every 2 - 3 months to keep your Roomba operating at peak performance