Fully Compatible:This Replacement Parts Kit Fit For Irobot Roomba 800 Series 850 860 861 864 866 870 871 880 890 891 900 Series 960 961 964 980 Robotic Cleaner | | Package Include:1 X Debris Extractor, 4 X Filter, 4 X Side Brush,1 X Filter Cleaning Brush, 3 X Screw, 1 X Screw Driver | | Warmly Reminding:Please Clean The Filter Frequently And Replace The Brush And Filter Every 1-2 Months (It Depends On The Frequency Of Using) To Keep The Vacuum Working With High-Performance. | | Easy Maintenance:This Replacement Parts Is Easy To Replace,You Can Use The Screw Driver In The Kit To Unstall The Side Brush Easily,Its Also Easy To Clean The Filter With The Cleaning Brush. | | On Line Service:If You Have Any Questions About The Products,Just Feel Free To Leave The Message,We Will Reply In 24 Hours | |