The High-Efficiency HEPA Filter captures up to 99% dust, dirty, pet hair, and small particles. It is easy to be replaced and installed on your robot vacuums. Shipping with a brown box to prevent from being damaged in transit. To keep your Robot Vacuum running at peak performance, Please clean the filter once per week( twice per week in homes with pets) and replace it every 2-3 months. Function and Material: Made of high quality PC, fully use of efficient filter material.