Odashen 2 Sets Rubber Roller Brush Replacement for iRobot Roomba i & j Series i1, i1+, i3, i3+, i4, i4+, i5, i5+, i7, i7+, i8+, j5, j5+, j7, j7+, Combo j8, j8+, j9+,Combo j9+ Vacuum Cleaner

Compatible models: Roller brush is compatible with iRobot Roomba i1, i1+, i3, i3+, i4, i4+, i5, i5+, i7, i7+, i8+, j5, j5+, j7, j7+, Combo j7+, j8, j8+, j9+,Combo j9+ vacuum cleaner. Dual Multi-surface Design: Rubber roller brushes is made of durable rubber material, not easy to be tangled with hair. Tread design that grabs dirt and debris from any types of floors. No-bristle Design: The roller brush with no bristle, is easy to maintain and clean. No worry about hair tangled. Washable and reusable: These roller brushes can washable and reusable. Regularly clean roller brush to improve suction and performance and extends the life of your robot vacuum. Package Includes:2 sets roller brush. It is recommended to replace the brush every 2-4 months to maintain performance of you vacuum, depending on your using frequency.