PERFECT COMPATIBILITY: These replacement parts are compatible with for iRobot Roomba s9 (9150) s9+ plus (9550) Wi-Fi connected robot vacuum cleaner. They work as great as the original ones, perfect compatibly and easy install.Dual multi-surface rubber brush extractor rollers is now 30% wider and more cleaning with every pass. Specially desgned corner side brush with five arms to grab dirt and debris from deep in corners and along walls.Replace for the irobot roomba filter every 2-3 months to maintain roomba's cleaning performance.Side brush allows your Roomba to reach deeper into the carpet for a more thorough cleaning.These replacement parts are made of high quality plastic, fully use of efficiency and durable filter and side brush material.To keep for your iRobot Roomba robot operating at peak performance, hepa filters, rollers(debris extractors) and side brushes should be replaced every 2 - 3 months.Kindly Note: This is not an iRobot Original product and is not covered under any iRobot warranty. The iRobot brand name and logo are the registered trademark of the respective owner. Any use of the iRobot brand name, model or part designation for this product is made solely for purposes of demonstrating compatibility.colour: as shownMaterial: PlasticPackage Contents:6 x 5 side brush1 pair x dual multi-surface rubber brushes6 x Hepa filterOnly the above package content, other products are not included.Note: Light shooting 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.