1.It is made of high-quality materials, more durable. 2.Clean brushes keep your home robot operating at performance. 3.Side brushes are easy to remove and replace as part of routine maintenance. 4.Filters maintain robot's cleaning performance while reducing infiltration of dust, pollen and other allergens into the air you . 5.For best results, spare parts should be replaced 2 - 3 months. Name: Vacuum cleaner accessories Type: Vacuum Cleaner Parts Be applicable:For Bot W10 W10 Pro Self-Cleaning Robot Vacuum And Mop Material: plastic colour: As shown Package Contents: 1 x roller brush 1 x side brush 1 x hepa filter 2 x mop pads 1 x clean brush Only the above package content, other products are not included. Note: Light 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.