High-quality new materials, well-made, durable, and perfectly matched to the equipment. Clean accessories keep your home robot at peak performance. The contents of the accessories are easily removed and replaced as part of routine maintenance. It also prevents dust, pollen, and other allergens from entering the air you breathe. To achieve the best cleaning and filtering effect, the 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 eliminate household dust, pet dander, etc. Say goodbye to odors, pre-filters can help reduce unpleasant odors from pets, smoke, cooking fumes, and various household products and chemicals. Model: For 3090 Robot Vacuum Cleaner Type: Vacuum Cleaner Accessories Application: Wooden floor, ceramic tile, marble, etc. Applicable occasions: living room, bedroom, kitchen, etc. color: photo color Material: plastic Package Contents: