[High material]: It is made of high-quality plastic material, with good durability and stability. Good elasticity, uniform thickness, and compliance with production standards. [Keep the air fresh]: It can filter harmful odors in the air, is very suitable for people who want to keep the air fresh and control air quality. an accessory for vacuuming and can ensure the safety of the surrounding environment. [Ease of use]: Easy to , light and does not take up space. It can be reused after cleaning, is very practical. [HEPA technology]: filters most dust, pollen, smoke, odors, mold spores and pet dander. The air filter captures particles as small as 0.3 microns and above, helps improve health. [Replacement Frequency]: Regular filter replacement will help your machine run smoothly. It is recommended to replace it every 2 to 3 months. Note: The data are all measured manually, please allow 1-3cm error due to differences in light and display, there may be some color differences, please refer to