Compatible Models: Fits iRobot Roomba i7 i7+ i3 i3+ i4 i4+ i6 i6+ i8 i8+ j7 j7+ Plus E5 E6 E7 I & J & E Series of Sweeping Robots. (Please confirm your vacuum cleaner model before purchase) Spare parts help the robot to easily remove dust and debris from corners and edges. If the side brush is bent due to transportation, just soak it in warm water to restore it, clean the replacement parts regularly to improve suction and performance, and extend the life of the sweeping robot. It is recommended to replace the side brush and filter every 2-3 months, and replace the multi-surface rubber brush every 6 months, also depending on the frequency of use. Color: As shown in the picture Material: Plastic Package Contents: 2 x Dual Multi-Surface Rubber Brushes 8 x Edge Cleaning Brushes 8 x Hepa Filters 8 x Bag Dust Brushes 1 x Screwdriver 1 x Cleaning Brush Only the above package contents, other products are not included. . The allowed measurement error is +/- 1-3 cm.