1. Clean brushes keep your home robot operating at peak performance.2. Replacement filters for Conga 3090 Series Vacuum Cleaner Robots.3. Filters maintain vacuum cleaner cleaning performance while reducing infiltration of dust, pollen and other allergens into the air you breathe.4. For best results, spare parts should be replaced every 1 - 3 months.5. For use with Conga 3090 Series only.Colour:blueMaterial:plasticPackage Contents:2 x Drag4 x side brush2 x Main brush2 x filterOnly 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.