I clean for irobot roomba Side Brush 650 500 770 600 595 780 790 721 620 560 630 500 600 700 Series Vacuum Cleaner Accessories Parts 10 Packs Fit Model:compatible with iRobot Roomba 500,600,700 series 500 770 600 595 780 790 721 620 560 630 vacuum cleaning robots.its not fit 650 model robot. Advantages:side brush can sweep the edge of the sweeping machine, through the rotation of the soft brush to the wall, the corner of the dust to the suction nozzle into the dust box to collect, clean and more clean, more effective. Attention:side brush is belong easy consumables,it is advisable to check the side brush before each cleaning. Suggestion:can be deformed edge of the bristles into the warm water soak for a few minutes, and then stroked the brush, to be dry after use. Package:10 packs replacement brushes for iRobot Roomba and some screws,with I-clean best services.