1. Clean brushes keep your home robot operating at .2. Side brushes are easy to remove and replace as part of routine maintenance.3. Replacement for Mi 1C Robot4. maintain 's cleaning performance while reducing infiltration of dust pollen and other allergens into the air you .5. For best results should be replaced 2 - 3 months.Compatible with Models:For Mijia1CFor 1TFor Mi Robot Vacuum MopFor Mi Robot Vacuum-Mop 2 ProFor F9(Model name: SKV4093GL /SKV4073CN and STYTJ01ZHM / STYTJ02ZHM)color:As shownMaterial:plasticPackage Contents:2 x roller brush6 x side brush6 x hepa filter8 x mop cloth1 x main brush cover1 x dust box with filter3 x Only the above package content other are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is /- 1-3cm.