General description Replacement accessories for T9, T8, N8, and N5 series robot vacuum cleaners. These high-quality parts are designed to keep your vacuum operating efficiently and extend its lifespan. Technical specifications Material: Plastic Package Contents: 2 x roller brushes, 4 x filters, 2 x rags, 4 x side brushes Measurement allowed error: +/- 1-3 cm Usage For best results, filters should be replaced every 2-3 months to maintain optimal performance of your robot vacuum cleaner. Other information Color: Photo Color Note: Light and different displays may cause the color of the item in the picture to differ slightly from the actual product.