Maintain cleaning performance from your RoboVac.Side brushes replacement parts fit for RoboVac 11S and RoboVac 30Reach deep into corners and edges to remove more dirt, dust and debrisEasy to install. No tools required.To keep your robot at performance, it's recommended to replace every 1 - 2 months1.Have some extra brushes on hand, you can replace a clean set for your 11s at once.2.It's easy to install. No tools required.3.Replace these side brushes regularly, making your home become more comfortable and cleaner.Compatible with: BoostIQ RoboVac 30 Boost IQ RoboVac 11Scolor: bluematerial: plasticPackage Included:16 x side brushesOnly 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.