1. Brand new, high-quality materials, well-made, durable, and perfectly matched to the equipment. 2. Clean accessories allow your robot vacuum cleaner to maintain optimal performance. The accessories are easy to remove and replace as part of routine maintenance. This also reduces dust, pollen, and other allergens from entering the air you breathe. 3. To achieve the best cleaning and filtration effect, cleaning accessories should be replaced every 2-3 months depending on the frequency of use. 4. The function of the robot vacuum cleaner's filter is to filter dust, dirt, and other contaminants inhaled by the robot to keep it clean and functioning normally. The filter also prevents dust and dirt from entering the robot's motors and other parts, extending the robot's lifespan. Product name: For iRobot Roomba 800 900 series 805 864 871 891 960 961 964 980 Vacuum cleaner parts Accessories Category: Vacuum cleaner brushes and accessories Warranty (²): 2 years Notes: In the event that a commercial warranty is offered by the seller, this does not exclude