1. HEPA filter is made of good eco-friendly materials, delicate and delicate, and matches the equipment, to ensure optimal performance and a healthier lifestyle. 2. HEPA filter is easy to remove and replace as part of routine maintenance, matching with the equipment, the filter element can be removed and flushed for easy maintenance, washed with warm water and reinstalled after it is completely dry. 3. Simple to install, reliable to use, regular cleaning and replacement of the filter, can maintain the perfect performance of the vacuum cleaner and prolong its lifespan, HEPA filters help to clean the vacuum cleaner and make your lifestyle healthier. 4. Filter can be easily removed and replaced as part of routine maintenance, It is recommended to replace the accessories according to the frequency of use to keep the machine in the running condition and cooperate with the vacuum cleaner to achieve better cleaning results. 5. Regular filter replacement of the vacuum cleaner can improve the cleaning performance and suction power of the vacuum cleaner, filter dirt, dust, pet hair and small debris through the mesh screen, prevent large particles of dust from entering the motor, ensure the performance of your vacuum cleaner, and prolong its service life. ✅Cpomatible Models: Compatible For Roborock QR 798 Compatible For Roborock QR 598 Compatible For Roborock QV 35A Color: As Shown Material: plastic Package Contents: 12 * HEPA Filter