Replace the filter often to help keep indoor air fresher Side brush: Will not scratch floors and furniture. Unique design, easy to pick up hair material, easy to use. The filter helps reduce household odors Keep your home clean by changing the filters frequently - once every month or two, depending on your usage. Clean brushes keep your home robot operating at peak performance. The side brushes are easy to remove and replace as part of routine maintenance. The filters maintain cleaning performance while reducing dust infiltration into the air you breathe. For S7 T7S T7PLUS parts Material: Plastic Color: As shown Package Contents: 2 x Filters 10 x Rags 2 x Side Brushes Only the above package content, other products are not included. Note: Light shooting and different Screens may cause the color of the item in a little different from the real thing. The measurement allowed error is +/- 1-3 cm.