[Compatibility]The replacement compatible with for iRobot Roomba s9 (9150) s9+ s9 Plus (9550),s Series Vacuum Cleaner. This set can meet all of your needs and functions just as well as the old one. [Durable Material] The main brushes are mades of high quality , Compatible and work just like the old one, The side brush will not scratch the floor and furniture, greatly ensure the safety and cleaning effect during the process of the use. [High-Efficient Filtration]The high-efficiency filter is made of plastic and H13 pet washable filter paper that can effectively filter up to 99.97% of particles as small as 0.3 microns. The filter paper is folded densely, which increases the filtering area and improves the filtering performance. [Washable and Reusable]Washing in warm water and let it completely air dry before reusing them. A mild detergent may be used if desired.To ensure the cleaning efficiency and longevity of the vacuum cleaner, it is recommended to change the brush and filter every 3-6 months. Type: Vacuum Cleaner Parts note:If the side brushes bent due to shipping, recover them by simply soaking with hot water for a while. Colour:As Shown Material:plastic Package Contents: 2set x Multi-Surface Rubber Brush 6 x HEPA Filters 6 x Edge-Sweeping 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.