The vacuum cleaner replacement parts are compatible with RoboVac 11S, RoboVac 30, RoboVac 12, RoboVac 15T, RoboVac 15C, RoboVac 25C, RoboVac 30C, RoboVac 35C, RoboVac 39C. PLEASE NOTE: NOT suitable for Robovac 11, Robovac 11C, Robovac 11+ & Robovac Max series. High-efficiency HEPA filter, rotating side brush, and powerful roller brush help the robot vacuum cleaner clean the floor and provide you with a clean and fresh air environment. Replace robovac 11s replacement parts every 2-3 months to maintain the vacuum cleaner's cleaning performance while reducing dust infiltration. Easy to install: Comes with a screwdriver to help you install replacement parts, no more tools required. Color as shown Material: plastic Package contents: 1 x roller brush 6 x filters 8 x side brushes 1 x pre-filter 1 x cleaning brush 1 x screwdriver Only 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 +/- 1-3 cm.