General description The 4 Sets Rubber Roller Brushes Replacement is designed for various models of I3, I6, I7, I8, and Plus vacuum cleaners, including E5, E6, and E7. These brushes are engineered to effectively capture dirt, dust, pet hair, and other small particles from any floor type, ensuring optimal cleaning performance. Technical specifications Material: Plastic Color: Green Package Contents: 4 pairs of roller brushes, 2 cleaning brushes Measurement allowed error: +/- 1-3 cm Compatibility and accessories Compatible with i3(3150), i3+(3550), i4(4150), i4+(4550), i6(6150), i6+(6550), i7(7150), i7+(7550), i8(8150), i8+(8550) Also compatible with E5(5150), E6(6198), E6(6134) Usage It is recommended to replace the brushes every 2-4 months to maintain the vacuum cleaner's high performance.