The frequency of replacement of S8 MaxV Ultra accessories depending on usage and personal needs. Here are some replacement suggestions for common accessories: Filter: It is recommended to check whether the filter is clogged or every once in a while. If the filter becomes dirty or clogged, it may affect the vacuuming effect and needs to be cleaned or replaced in time. Side brushes: Side brushes wear out during cleaning and may need to be replaced regularly. The exact frequency of replacement depends on the frequency of use and cleaning environment. Mop Cloth: How often you need to replace mops depends on frequency of use and cleaning needs. Generally speaking, it is recommended to clean the mop regularly to maintain good cleaning results. If the mop is worn or , it needs to be replaced in time. Colour:Photo Color Material:Plastic Package Contents: 8x side brush 2x dust bag 4x filter 2x Mop Cloth 2x round Mop Cloth 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.