1. Brand new, high quality materials, well-made, durable and very close to the original equipment.2. Clean accessories ensure the highest performance of your home robot. Accessory contents are easily removed and replaced as part of routine maintenance. It also reduces dust, pollen and other allergens from entering the air you breathe.3. To achieve the best cleaning and filtering effect, the cleaning accessories should be replaced every 2-3 months according to the frequency of use.4. The HEPA filter can significantly improve air quality and reduce particle size by up to 99.97%. Helps remove house dust, pet hair etc.5. Say goodbye to odors, pre-filters can help reduce unpleasant odors from pets, smoke, kitchen fumes and various household products and chemicals. Material: Plastic Color as shown Package Contents: 4 x Front Filter 4 x Post Filter 1 x Cleaning Brush Above Package Content Only, 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 error is +/- 1-3cm.