1. Made of brand-new, high-quality materials, it is well-crafted, durable, and highly compatible with the device. 2. The cleaning accessories can keep the household robot performing at its best. As part of daily maintenance, the accessories can be disassembled and replaced. They can also reduce the infiltration of dust, pollen, and other allergens into the air you breathe. 3. To achieve the best cleaning and filtering results, the cleaning accessories should be replaced every 2 - 3 months depending on the frequency of use. 4. It can significantly improve the air quality, with a particulate matter filtration efficiency of up to 99.97%. It helps to remove household dust, pet dander, etc. 5. Say goodbye to odors. The pre-filter can help reduce unpleasant odors generated by pets, smoke, cooking fumes, and various household products and chemicals. 6. Color: Light blue 7. Material: Fiber 8. Package contents: - 6 pieces of rags Only the above package contents are included, and no other products are included. 9. Note: Light reflection and different displays may cause slight differences between the color of the items in the picture and the actual product. A measurement error of +/- 1 - 3 cm is allowed.