Features: This is a Replacement Product Compatible with iRobot Roomba e and i Series E5(5150) E6(6198) i3(3150) i3 (3550) i4(4150) i4 i6 i6 (6550) i7(7150) i7 (7550) i8 i8 Plus Robot Vacuums The Multi-Surface Rubber Brush superiorly pick up pet hair, dirt, dust, and debris and works well on floor types—hardwood, carpet, tile, and stone. To keep your Robot Vacuum running at peak performance by maintaining the rubber brush every 4 months( every 3 months in homes with pets) and replacing it every 12 months. It is easy to be replaced and installed on your robot vacuums. Shipping with a brown box to prevent from being damaged in transit. What’s in the Box: 2 x Green Multi-Surface Rubber Brush Sets Notes: This is NOT an original iRobot product and is NOT covered under any warranty by iRobot.The brand names and logos are registered trademarks of their respective owners.Any use of a brand name or model designation for a non-OEM product is made solely for purposes of demonstrating compatibility.