General description New high-quality materials, well-made, durable, and perfectly matched to the original 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, which also reduces the infiltration of dust, pollen, and other allergens into 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. This product can significantly improve air quality and reduce particle size by up to 99.97%, helping to remove household dust, pet dander, and more. Technical specifications Material: Plastic Color: As shown Package Contents: 1 set x Main Brush, 1 x Cleaning Brush Measurement allowed error: +/- 1-3 cm