Please note: the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! Fit Model: Fit for Roborock S7 S7maxv ultra S8 +G10 G10S G20 T7S Durable Material: These replacement filters are made of high quality. it's recommended to replace the filter every 2-3 months. Please note: There is a slight color difference or discrepancy in kind, please don't mind, thank you! Applicable Models Compatible For Roborock S8 Compatible For Roborock S8 Plus Compatible For Roborock S8 Pro Ultra Compatible For Roborock G20 Material: plastic colour: Package Contents: 2 x Front Wheel Caster 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.