Kindly notice: These products are not branded Roomba. Its not Original, no Roomba brand logo on product or packages. The brand name and logo are registered by the respective owner. Any use of the brand name, model or part designation for this product is made solely on purposes of demonstrating compatibility. MZY LLC is a Professional vacuum cleaner accessories manufacturer , quality is our top priority. And we have more than 4 years experiences selling on Amazon, so we can guarantee every customer to get good quality product and professional after-sale service. - This replacement accessory kit design for iRobot Roomba 600 700 Series 614 618 620 621 630 635 640 645 650 652 655 660 665 670 671 675 680 690 692 695 760 761 770 780 790 vacuum cleaner accessories. - To keep your robot running at peak performance, the parts are recommended to be replaced every 2-3 months. - It is easy to be replaced and installed on your robot vacuums. - Made of high-strength and environmentally Friendly protection material. - Package: 5 x Bristle Brush, 2 x Brush Cleaning Tool, 1 xCleaning Brush