It\'s best to replace your spare parts every 1 to 2 months to keep your home robot operating at peak performance.
We recommend that you clean iRobot Roomba Spare parts every 1-3 uses (depending upon the amount of dirt and debris in your home).
1 X 3-Armed Side Brush
4x Hepa Filter
1 x Bristle Brush
1 x Flexible Beater Brush
1 x Cleaning Tool
1 x Screw
For iRobot Roomba 700 Series(760 770 780 790)