100% Fit: Replacement parts are compatible with Roombai1+, i7(7150), i7+(7550), i3(3150), i3+(3550), i4, i6(6150), i6+(6550) ,i8 i8+/Plus, E5 E6 E7 vacuum cleaner. Please note that roller & side brushes are not suitable for comboj7+ Self-vacuuming robot vacuum cleaners. package: if the side brushes of for replacement parts are bent due to shipping, just simply Soak in warm water for a while to recover. Easy to clean and replacement:Hand wash in lukewarm water and allow to air dry completely before reuse. Regularly clean parts to improve suction and prolong life. For best results, edge sweep brushes and filters should be replaced every 2-3 months. Multi-surface rubber brushes should be replaced every 6 months. High Efficiency Filtration Technology:Premium rubber brushes one for removing dirt and the other for cleaning. The side brush penetrates deep into corners and edges to remove more dirt, dust and debris. filter replacements blocks 99.97% of pollen, dirt, dust, pet hair and other particles as small as 0.3 microns. Color: green Material: rubber Package Contents: 2 pairs of roller brushes 8 x filters 8 x dust bags 8 x side brushes 8 x screws 1 x cleaning brush 1 x screwdriver Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.