new, high-quality materials, well-made, durable, and highly matched with the equipment. Clean accessories keep your home robot at . Accessory contents are easily removed and replaced as part of routine maintenance. Also reduces dust, pollen and other allergens from seeping into the air you . In order to achieve the best cleaning and filtering effect, the cleaning accessories should be replaced every 2-3 months according to the frequency of use. HEPA filter can greatly improve air quality and reduce particle size by up to 99.97%. Helps remove household dust, pet dander, etc. Say goodbye to odors, pre-filters can help reduce unpleasant odors from pets, smoke, cooking fumes and household products and chemicals. Color : As Shown Material: plastic Package Contents: 1 x Dust Box (With A Filter) 4 x Filter 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 picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.