- Compatible with i7 i7+ i3 i3+ i4 i6 i6+ i8 i8+/Plus E5 E6 E7 Robot Vacuum Cleaners. This set works as well as the originals, precise fit and easy installation.VALUABLE PACKAGE - Includes 4 sets of dual multi-surface rubber brush rolls. The products are made of high-strength and environmentally friendly materials to ensure optimal performance and a healthier lifestyle.HIGH-EFFICIENCY FILTRATION TECHNOLOGY - Unique dual multi-surface rubber brushes do not get tangled with pet hair. The brushes adjust and flex to maintain constant contact with carpets and hard floors.EASY TO CLEAN AND REPLACE - Clean and replace the roller brush regularly to improve suction power and performance and extend the life of your robot vacuum cleaner.Color: greenMaterial: plastic + spongeSize: Approximately 185 mm longPackage contents:4 sets x replacement roller brushesOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The allowed measurement error is +/- 1-3 cm.