[Exquisite and delicate Deebot kit] 100 percent compatible with ecovacs robotics - Deebot N9and Robot Vacuum Cleaner, Deebot N9and Plus Robot Vacuum Cleaner [EASY TO REPLACE] Under normal maintenance, it is very easy to remove and replace parts Deebot N9and. We suggest replacing these Deebot N9and attachments every 2-3 months to keep the machine running at peak performance, depending on how often you use [Main brush and side brush] The main brush consisting of a High quality TPU band and thicker bristles pick up debris easily, while maintaining low noise level. The uniquely designed side brush can clean different floor surfaces, thoroughly removing dirt even in the deepest corners. [HEPA Filter] The HEPA filter is made of high-strength environmentally friendly materials, which can block most dust down to 0.3 micrometers. The filter can maintain the sweeper's cleaning performance, while reducing the entry of dust, pollen and other allergens into the air you breathe [HIGHLY EFFECTIVE TECHNOLOGY] - The unique multi-surface rubber brushes do not s tangle with pet hair. The brushes adjust and bend to stay in constant contact with carpets and hard floors. Suitable Model: For Ecovacs DEEBOT N9 or N9and Color: Color as pictures Material: plastic Package Content: 1 x Main Brush 6 x Side Brush 4 x HEPA Filter 1 x Cleaning Brush Only the above package, 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 allowable measurement error is 1-3 cm.