materials, well made, durable and perfectly matched with the original equipment. Clean accessories keep your home robot operating at peak performance. Accessory contents are easily removed and replaced as part of routine maintenance. Also prevents dust, pollen and other allergens from entering the air you breathe. In order to achieve the best cleaning and filtering effect, cleaning accessories should be replaced every 2-3 months depending on the frequency of use. The 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 various household and chemical products. materials, well made, durable and perfectly matched with the original equipment. Clean accessories keep your home robot operating at peak performance. Accessory contents are easily removed and replaced as part of routine maintenance. Also prevents dust, pollen and other allergens from entering the air you breathe. In order to achieve the best cleaning and filtering effect, cleaning accessories should be replaced every 2-3 months depending on the frequency of use. The 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 various household and chemical products.