100% Quality Guaranteed Clean brushes keep your home robot operating at performance. Side brushes are easy to remove and replace as part of routine maintenance. Filters maintain cleaning performance while reducing infiltration of dust, pollen and other into the air you breathe. For best results, filters should be replaced every 2 - 3 months. Color: As Shown Material: plastic Package Contents: 4 x side brushes 4 x filter elements 4 x mops 1 pair of main brushes 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.