Features: 1PREMIUM MATERIAL: Made of premium high efficiency particulate air material, which is well made. And this filter is highly compatible with for DX888 sweeper, you can use it with confidence. 2MAINTAIN OPTIMAL PERFORMANCE: Replacing the filter in a timely manner will help your home robot maintain optimal performance. It is easy to remove and replace as part of routine maintenance. 3KEEP THE AIR CLEAN: It effectively reduces the penetration of dust, pollen, etc. into the air you breathe, creating a cleaner, healthier indoor environment for your family members. 4KEEP THE MACHINE RUNNING NORMALLY: The function of the filter is to filter the dust, grime and other impurities inhaled by the cleaning machine to keep the vacuuming machine clean and running normally. 5EXTEND LIFE: In addition, the filter prevents dust and grime from entering the essential components of the vacuuming robot, such as the motor, further extending the life of the machine. Specification: Item Type: Filter ReplacementMaterial: High Efficiency Particulate AirWeight: Approx. 210g / 7.4ozApplicable Model: For DX888 Package List: 4 x Filter1 x Brush