General description This Replacement Accessories Main Brush is designed for iRobot Roomba i7, i7+, i7 Plus, E5, E6, and E7 vacuum cleaners. It features a unique design with multi-surface rubber brushes that adapt to various floor types, effectively removing dust and larger debris. The kit includes two sets of roller brushes that snap into place for quick and effortless replacement without the need for tools. Technical specifications Compatible with: iRobot Roomba i3, i3+, i4, i4+, i6, i6+, i7 (7150), i7 Plus (7550), E5 (E5134), E6 (E6198) Includes: 2 sets of multi-surface dual rubber brushes Maintenance To maintain optimal performance, it is recommended to replace the brush and filter every 2 to 3 months, depending on usage frequency. Other information Note: Some noise may occur when first using the rollers, but it will diminish with continued use.