[Fit Model]Replacement For irobot Roomba 800 900 Series ( 805 850 860 861 864 866 870 871 880 885 890 960 966 980 990)[Good material]Adopt appropriate pm2.5 filter paper folding into the system, the purification efficiency is as high as 99. 97%[High filtering effect]Hepa filtering has powerful particle filtering effect, filter, such as cigarette smoke particles, pollen, dust and other particles efficiency is as high as 99.97%, and can effectively clean air, bring the comfortable feeling of clean breathing new.[Cleaning and replacement]This filter can be cleaned,Dry thoroughly before using.In order to ensure effective filter, should be replaced every 3-6 months a filter. Often replace haipa can effectively, prolong the service life of the motor, that is, prolong the service life of the sweeper.Colour: Black+WhiteMaterial: PlasticPackage Contents:9 x Filter1 x Cleaning brushOnly the above package content, other products are not included.Note: Light shooting 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.