Clean brushes keep your home robot operating at performance. Side brushes are easy to remove and replace as part of routine maintenance. Replacement filters for for S7 T7S T7PLUS Vacuum Cleaner Robots. maintain robot's cleaning performance while reducing infiltration of dust, pollen and other allergens into the air you breathe. For best results, spare parts should be replaced every 2 - 3 months. Name: Vacuum cleaner accessories Type: Vacuum Cleaner Parts Be applicable:For S7 T7S T7PLUS Colour:Photo Color Material:plastic Package Contents: 2 x Main brush 10 x Side brush 10 x Filter 6 x Mop Cloth 1 x Cleaning brush 1 x Screwdriver 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.