General description Clean brushes keep your home robot operating at peak performance. Side brushes are easy to remove and replace as part of routine maintenance. Filters maintain cleaning performance while reducing infiltration of dust, pollen, and other allergens into the air you breathe. For best results, filters should be replaced every 2 to 3 months. Technical specifications Compatible with models: S7, S70, S7Max, T7S, T7S Plus Material: Plastic Color: Black + White Package Contents: 2 x Main Brush, 4 x Side Brushes, 4 x Mop Cloths, 4 x HEPA Filters Measurement allowed error: +/- 1-3 cm