General description 100% brand new and high quality vacuum cleaner replacement parts designed for Ecovacs Deebot T9 AIVI and T9 AIVI+ models. These accessories help to enhance the cleaning ability and effectiveness of your cleaning robot by replacing old, broken, or dirty components. Technical specifications Compatible with: Ecovacs Deebot T9 AIVI / T9 AIVI+ Material: Plastic Package Contents: 1 Pair of Roller Brushes, 4 Side Brushes, 3 HEPA Filters Measurement allowed error: +/- 1-3 cm Usage Please replace the filter every 2-3 months to extend the life of your vacuum cleaner. Other information Note: Light reflection and different displays may cause the color of the item to differ slightly from the actual product.