General description Replacement Side/Bristle Brush Accessories for IRobot Roomba Vacuum Cleaner 600 Series (690, 680, 660, 651, 650) & 500 Series. These accessories are 100% brand new and made of high-quality materials, ensuring durability and effective cleaning. The side brush allows your vacuum cleaner to reach deeper into carpets for a more thorough clean, while the filter captures fine dust, preventing allergens from entering the air. Technical specifications Color: as shown Material: plastic Measurement allowed error: +/- 1-3 cm Compatibility and accessories Compatible with IRobot Roomba 600 Series (690, 680, 660, 651, 650) & 500 Series Package Contents: 1 pair x roller brush 3 x side brush with screws 3 x HEPA filter 2 x Cleaning Tools 1 x Screwdriver Installation Easy to remove and replace as part of normal maintenance Usage It is recommended to replace the spare parts every 2 to 3 months for optimal performance