Neato Botvac Combo Brush Unique helical design, Neato BotVac Series Combo Brush combines the cleaning power of blades and bristles to remove more pet hair, allergens and dirt If you have pets, or a mix of carpet and hard floors, Neato's combo brush is best for your home It's also quieter - and gives you that "just vacuumed" pattern on carpets Compatible only with Botvac 65, 70, 75, 80, 85 series. If your model number starts with this number followed by a letter, this will work for you Always use Neato Genuine accessories. Using non-authorized accessories can damage your robot and void your warranty. This is the new updated design. No more losing the small washer