With its unique helical design, the versatile Neato BotVac d 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 give you that "just vacuumed" pattern on carpets. Compatible only with Neato BotVac connected and Neato BotVac d Series.