Compatible with multiple iRobot Roomba models, these replacement multisurface rubber roller brushes are designed to maintain cleaning performance for your robotic vacuum. Key Features: Fully compatible with Roomba i3, i3+, i4, i4+, i6, i6+, i7, i7+, i8, i8+, j7, j7+, E5, E6, E7 models. Unique multisurface rubber roller design resists tangling with pet hair. Brushes automatically adjust and flex to stay in constant contact with carpets and hard floors, ensuring thorough cleaning across all surfaces. strength, environmentally friendly materials deliver durability and reliable performance. Maintenance Benefits: Regular cleaning and replacement of rollers improves suction power and cleaning efficiency. Extends the life of your robot vacuum and keeps it operating at peak performance. Recommended replacement interval: every 23 months for results. Package Contents: Includes 4 sets of multisurface rubber brush rollers, providing ample replacements for consistent upkeep. Practical Uses: 1. Ideal for homes with pets, where hair can clog standard brushes. 2. Suitable for mixed flooring environments, such as areas with hardwood, tile, and rugs. 3. for busy households, reducing the need for frequent manual vacuuming. These replacement brushes fit seamlessly in your Roomba and deliver dependable cleaning results every time, helping to maintain a cleaner, healthier home environment.