General description Replacement Accessories Filter Main Side Brush for A4 A4S A40 PVCR 0726W 0826 0926 Robotic Vacuum Cleaner. This set is designed for easy removal and replacement as part of routine maintenance, ensuring optimal performance of your vacuum cleaner. Technical specifications Material: Plastic Color: As shown Package Contents: 1 x rotating brush, 4 x side brushes, 4 x filters Measurement allowed error: +/- 1-3 cm Usage For best results, replacement parts should be replaced every 1-3 months. The accessories effectively remove dirt, dust, and debris from corners and edges, particularly human and pet hair.