compatible: replacement parts are compatible with Roombai1+, i7(7150), i7+(7550), i3(3150), i3+(3550), i4, i6(6150), i6+(6550), i8 i8+/Plus, J7+ /Plus, E5 E6 E7 vacuum cleaner. Please note that the rollers and side brushes are not suitable for comboj7+ automatic vacuum robot vacuum cleaner Value Pack: If the side brushes of the replacement part are bent due to shipping, only It needs to be soaked in warm water for a period of time to recover. Easy to clean and replace: Hand wash in warm water and allow to air dry completely before reuse. Clean parts regularly to increase suction power and extend service life. For results, edge brushes and filters should be replaced every 2-3 months. Multi- rubber brushes should be replaced every 6 months High-efficiency filtration technology: rubber brushes, one for removing dirt and the other for cleaning. The side brush reaches deep into corners and edges to remove more dirt, dust and debris. filter replacement blocks 99.97% of pollen, dirt, dust, pet hair and other particles as small as 0.3 Micrometres Colour:green Material:plastic Package Contents: 3 pairs x roller brushes 10 x filters 10 x side brushes 10 x dust bag 10 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.