Central brush kit compatible with Roomba 600 and 700 series.Fully compatible with the following models: 605, 610, 612, 615, 616, 620, 621,630, 631, 632, 645, 650, 651, 655, 660, 661 Pet, 665, 669, 670, 671, 675, 680 , 681, 685, 691, 695, 696, 710, 715, 720, 721, 722, 725, 730, 731, 735, 750, 751, 755, 760, 765, 770, 772, 774, 775, 776, 776 Pet, 780, 782, 785, 786, 790.Accessories and spare parts of the best quality, designed for the longest duration over time.Easy replacement, in just a few seconds you will have your robot operational againBelow we detail the duration and best way to maintain the spare parts:For the maintenance of the central brush, it is important to take into account that they must be cared for and cleaned regularly, below we show you the perfect times for replacement and their durabilityCENTRAL ROLLERS: They should be cleaned every 2 uses. They last from 1 to 3 months depending on their use.Colour: BlackMaterial: plasticPackage Contents:1 pair x roller brushOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.