Compatible model: the spare parts set is only suitable for the Ecovacs Deebot Ozmo T9 AIVI, T9 AIVI+ robot vacuum cleaner (confirm your robot model before purchase )Good quality: Material to protect the floor from scratches. The HEPA filter can maintain the highly efficient cleaning performance of the vacuum cleaner and filter most of the dust in the airMaintenance: Keep your robot operating at maximum power by changing the spare part every 2 to 4 months depending on the frequency of useMaterial:plasticcolour:Blue+grayPackage Contents:1 pair * Roller brush4 pairs * Side brushes5 * Filters5 * Disposable rag4 * Washable cloth4 * strong mopping wipesOnly the above package content, other products are not included.Note: Light shooting 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.