It can be easily removed and replaced as part of routine maintenance. It is easy to remove dirt, dust and debris from the corners and edges of the accessories, especially human hair and pet hair. For best results, replacement parts should be replaced every 1-3 months. For Gutrend style 220, A4,A4S,A40, PVCR 0726W,0826,0926W , 0930 SmartGo, Spirit H2O Smart Robot, Robot Vacuum Cleaner, ICE H2O Color: As shown Material: Plastic Package Contents: 2 * Roller Brush 2 * Roller Cover 2 * Main Filter Screen 12 * Side Brushes 8 * Filters Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in a little different from the real thing. The measurement allowed error is +/- 1-3 cm.