General description Replacement Parts Main Brush, Side Brush, and HEPA Filter for iRobot Roomba 700 Series (770, 780) Robot Vacuum Cleaner Accessories. These parts are brand new and made of high-strength, environmentally friendly materials. They are easy to install and help maintain the cleaning performance of your vacuum, reducing the penetration of dust, pollen, and other allergens into the air. Technical specifications Material: Plastic Color: As shown Measurement allowed error: +/- 1-3 cm Compatibility and accessories Compatible with iRobot Roomba 700 Series (770, 780) Package Contents: 2 x Rolling Brush 6 x Side Brushes 6 x Screws 8 x Filters 1 x Cleaning Brush Usage It is suggested to replace the brushes and filters every 1 to 2 months to ensure optimal performance.