100% compatible: for Roomba replacement parts are compatible with for iRobot 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 iRobot comboj7+ automatic vacuum robot vacuum cleaner. If the side brushes of the irobot replacement part are bent from shipping, just soak them in warm water It will take some time to recover. Easy to clean and replace: Hand wash in warm water and allow to air dry completely before reuse. Clean for roomba parts regularly to increase suction power and extend service life. For best results, edge brushes and filters should be replaced every 2-3 months. Multi-surface rubber brushes should be replaced every 6 months. High-efficiency filtration technology: high-quality 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. for Roomba replacement filters block 99.97% of pollen, dirt, dust, pet hair and other particles as small as 0.3 Micrometre. Material: plastic colour: As Shown Package Contents: 1 pair roller brushes 4 x filters 6 x side brushes 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.