General description Delicate and precisely matched with the equipment, this replacement part set for Chuwi ILife A4, A4S, A40, and Polaris PVCR 0726, 0826, 0926 robot vacuum cleaners includes essential components to maintain optimal cleaning performance. The side brush effectively penetrates deep into corners and edges, removing more dirt, dust, and grime, while the filter helps reduce the penetration of dust, pollen, and other allergens into the air. Technical specifications Color: As shown Material: Plastic Package Contents: 1 x Roller Brush 1 x Roller Cover 1 x Wheel 6 x Side Brushes 3 x Filters 3 x Mops Measurement allowed error: +/- 1-3 cm Usage For best performance, it is recommended to replace the components every 2-3 months or as needed. The parts can be easily removed and replaced as part of routine maintenance.