1. Brand new, high-quality materials, -made, durable, and highly matched with the equipment. 2. Clean accessories keep your home robot at performance. Accessory contents are removed and replaced as part of routine maintenance. Also reduces dust, pollen and other allergens from seeping into the air you . 3. In order to achieve the best cleaning and filtering effect, the cleaning accessories should be replaced 2-3 months according to the frequency of use. 4. Say goodbye to odors, -filters can help reduce unpleasant odors from pets, smoke, cooking fumes and household products and chemicals. Type: Sweeper Accessories color:As shown :plastic Package Contents: 8 x Sweeper water core Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.