[Compatible Models] Perfect for X40 / X40 Pro / X40 Ultra/ S30 Pro Ultra robot vacuum cleaners/X30/X30 Ultra/ X30 Pro Ultra/ X30 . Made of high quality materials, environmentally friendly materials, soft and durable to use. (Note: The side brush is only suitable for X40/S30 Pro Ultra series, without screws) [Easy Installation] The side brushes are perfectly matched and the installation method is the same as the parts, which is easy to install, easy to use. [Premium Brush] The replacement main brush is made of high quality ABS rubber, snaps into place quickly and can be easily replaced without any tools. The soft silicone side brush reaches deep into corners and edges to remove more dirt, dust and debris. [Mop Pad & HEPA Filter] Microfiber mops are absorbent and can easily remove a variety of stains. The HEPA filter can filter 99% of dust, pet hair, etc. After washing and drying, it can be reused. It is recommended to replace the spare parts every 2 to 3 months depending on the