Fits Brands:iRobot Roomba i Series i7 i7+ i3 i4 i8 E5 E6 j7 j7+ Plus Robotics Vacuum Cleaner.
Efficient Cleaning: To ensure your vacuum running at peak performance，recommend replace multi-surface brush roll every 3 months and replace filters every 1 month and replace the side brushes every half month, also depending on your frequency of use.
How To Wash Filters
Take out the filter and put away the surface dust of the filter;
Clean the filter by cold and run water;
Let the filter is air-dried. It takes 2-3 days. Don't heat it;