General description The Replacement Parts for iRobot Roomba e/i/j Series accessories kit includes essential components for maintaining your vacuum cleaner. This kit is designed to work as effectively as the original parts, ensuring your device continues to perform at its best. Technical specifications Compatible with: e/i/j series i6 (6550), i6+, i3 (i3152), i3+ (i3552), i4, i4+ (4552), i7 (i7156), i7+ (i7556), i8, i8+ (8550), j7, j7+ (7550), E5 (e5154), E6 (e6192) Material: Plastic Package Contents: 2 x Roller Brush, 4 x Filter, 5 x Side Brush, 5 x Screw, 2 x Cleaning Tool Measurement allowed error: +/- 1-3 cm Installation Easy to install; simply hand wash the parts in clean water and let them air dry completely. If brushes are bent, recover them by soaking in warm water for a while. Usage Replace sweeping brushes and filters every 2-3 months for optimal performance. Multi-surface rubber brushes should be replaced every 6 months. Other information Quality replacement parts include