1. Made of high-quality materials, it is durable and practical. 2. The accessories can effectively clean dirt, dust, and debris from corners and edges. They are especially suitable for cleaning human hair and pet hair. 3. The HEPA filter is made of high-strength and environmentally friendly materials, which can trap most dust as small as 0.3 microns. This filter can maintain the cleaning performance of the vacuum cleaner and reduce the infiltration of dust, pollen, and other allergens into the surrounding air. 4. As part of daily maintenance, the filter can be removed and replaced. 5. Replacing the filter: A dirty filter will significantly reduce the suction power. For optimal performance, replace the filter at least every 3 to 6 months, depending on the frequency of use and the amount of dust being cleaned. 6. Color: Black and white. 7. Material: Plastic. 8. Package contents: - 12 HEPA filters - 1 cleaning brush 9. Only the above package contents are included. Other products are not included. 10. Note: Light reflection and different displays may cause slight differences between the colors of the items in the pictures and the actual products. A measurement error of +/- 1 - 3 cm is allowed.