Compatible models: Water filter and self-cleaning maintenance brush for S8 Pro Ultra / S8+ Robot Vacuum Cleaner. Detachable Cleaning Brush: The S8 Pro Ultra maintenance brush is made of material and can be detached and washed to remove tangled hairs from the brush after cleaning the mop. Cleaning Tank Filter: The water filter is made of new, high-quality material, heat- up to . 90, and effective for filtering and cleaning. Cleaning Function: suitable for tile, marble and wooden floors, powerful cleaning function makes home cleaning more time-saving and energy-saving. For best results, replacing these components every 2-4 months is recommended to maintain performance. Type:Vacuum Cleaner Accessories Compatible with model:For S8 Pro Ultra/S8+ Colour:As Shown Material:Plastic Package Contents: 2 x Base Station Filter Sinks 2 x Self-Cleaning Brushes 2 x Universal Wheel Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.