iRobot Roomba 600 Series Replenishment Kit by AI-Vacuum&reg; 3 AeroVac Filters 1 Bristle Brush and 1 Beater Brush 1 Side Brush with Screw 1 Brush Cleaning tool Designed & Engineered By AI-Vacuum. 100% Compatibility Guarantee. The Seller Value Sourcing is the AI-Vacuum brand owner. We offer the best quality after market parts for your money. Other sellers are not authorized to list under AI-Vacuum brand.