Kit for Irobot Roomba I7 I7+ I3 I4 I6 I8+ J7+ E5 E6 E7 vacuum robot 【PERFECT COMPATIBILITY】 The kit parts spare parts are compatible with iRobotRoomba series E & I & j, i6(6550) i6+ i3(i3152) i3+ (i3552) i4 i4+ (4552) i7(i7156) i7+ (i7556) i8 i8+ (8550) j7 J7+ (7550) Plus E5 (e5154) E6 (e6192). Please check your sweeper model before ordering. If the side brushes are bent due to shipping, you can easily restore them by soaking them in lukewarm water and regularly clean replacement parts to improve suction and performance and extend the service life of your robot vacuum cleaner. It is recommended to purchase replacement parts to improve suction and performance. Replace the side brushes and filters every 2 to 3 days. Replace the multi-surface rubber brushes every 3 months, every 6 months, also depending on the frequency of use. Color: as shown Material: plastic Package includes: 2 x double rubber multi-surface brushes, 8 x edge cleaning brushes 8 x Hepa filters, 8 x dust bags 1 x