General description 4Pcs Silver Ion Bacteriostatic Module designed for S10/S20/W10/W20 vacuum cleaners. These modules are made of high-quality plastic and are essential for maintaining the cleaning efficiency of your robot vacuum. Regular replacement of these parts ensures better cleaning performance and prolongs the life of your device. Technical specifications Material: Plastic Color: White Package Contents: 4 x Silver Ion Bacteriostatic Module Measurement allowed error: +/- 1-3cm Other information Note: There may be slight color differences due to lighting and display variations. Physical twill may vary randomly and cannot be specifically chosen.