General description Replacement parts kit designed for iRobot Roomba models j7, j7+/Plus, E5, E6, E7, i3, i3+, i4, i4+, i6, i6+, i7, and i7+. This kit ensures the same excellent performance as the original parts, helping to maintain the efficiency of your vacuum cleaner. Technical specifications Material: Plastic Color: As shown Package Contents: 3 x Main Brush 8 x HEPA Filter Elements 8 x Edge Brush 8 x Screws 1 x Screwdriver 1 x Cleaning Brush Measurement allowed error: +/- 1-3 cm Usage For best results, replace the edge sweeping brushes and filters every 1-3 months. Multi-surface rubber brushes should be replaced every 6 months. Other information Note: Light shooting and different displays may cause the color of the item in the picture to differ slightly from the actual product.