Compatible with: Design for RoboVac 11S, RoboVac 30, RoboVac 30C, RoboVac 15C,RoboVac 12, RoboVac 35C Robotic Vacuums Accessories (Not Fit for: Robovac 11, Robovac 11C, Robovac 11+, Max Series) Effortless Maintenance: It keeps for your RoboVac filter and brushes kit running at performance by replacing the kit every 2-3 months depending on your frequency of usage Easy to Install: Snap into place for quick and effortless routine replacement. The brush is made of high-strength materials which is easy to remove and easy to clean How to replace your side brush ? Turn for RoboVac over to access side brushes. Use two hands to remove old side brushes. Pull firmly on bristles to remove. Push down on new side brushes to snapped into place Colour: blue, gray Material: plastic Package Contents: 1 x main brush 16 x high efficiency filter 16 x side brushes 1 x cleaning brush 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 +/- 1-3cm.