General description High quality replacement parts for Shark NV800/NV680/UV810/HV380/HV382 Robot Sweepers, made from durable materials. These cleaning accessories are essential for maintaining optimal performance and efficiency of your home robot, ensuring it runs at its best. Technical specifications Color: as shown Material: plastic Package Contents: 2 x Roller Brushes, 2 Filters, 2 Sets x Filter Cotton Measurement allowed error: +/- 1-3 cm Usage To maintain the best cleaning performance, it is recommended to replace the cleaning accessories every 2-3 months, depending on usage frequency. Regular replacement helps reduce the infiltration of dust, pollen, and other allergens into the air.