- These replacement parts compatible with s9 (9150) s9+ s9 plus (9550) Wi-Fi connected robot vacuum cleaner. This set works as great as the ones, and easy install.VALUABLE PACKAGE -These products are made of high-strength and environmentally friendly materials to optimal performance and a healthier .HIGHLY EFFICIENT FILTERING TECHNOLOGY - The premium quality rubber brush is perfectly matched, one for peeling off dirt and the other for sweeping dirtThe replacement filter with high efficiency to block 9997% of pollen, dirt, dust, pet dander and other particles as small as 03 microns in size. The side brush reaches deep into corners and edges to remove more dirt, dust and debris.EASY TO CLEAN AND REPLACE - Regularly clean replacements parts to improve suction and performance and extends the life of your robot vacuum. Recommend to replace the vacuum filter every 2 months and replace the side brushes every half month, or dependent on usage.100% SATISFACTION - If there are any questions please feel free to contact us, we are committed to offer the top quality products and promise a 100% high quality customer serviceMaterial:plasticcolour:As shownPackage Contents:2 Set x Multi-Surface Rubber Roller Brush6 x HEPA Filters6 x Corner Side brushes6 x Automatic Dirt Disposal BagsOnly the above package content, other products are not included.Note: Light 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.