PERFECT FIT - Compatible with iRobot Roomba i7, i7+, i3, i3+, i4, i6, i6+, i8, i8+/Plus, E5, E6, E7 Robot Vacuum Cleaner. This set provides a precision fit and is easy to install, delivering performance comparable to the original parts.VALUABLE PACKAGE - Includes 4 sets of dual multi-surface rubber brush rollers. Made from high-strength, environmentally friendly materials designed to ensure optimal cleaning performance and durability.HIGHLY EFFICIENT FILTERING TECHNOLOGY - Features unique dual multi-surface rubber brushes that resist tangling with pet hair. The brushes flex and adjust to maintain constant contact with both carpets and hard floors for consistent cleaning results.EASY TO CLEAN AND REPLACE - Regular cleaning and replacement of the roller brush helps maintain suction power, improves overall performance, and extends the life of your robot vacuum.Color: Green Material: Plastic + Sponge Size: Approximately 185mm in length Package Contents: 4 sets x Replacement roller brushes Note: Lighting and monitor settings may cause slight color variations between the product image and the actual item. Measurement may vary by up to 1-3cm.