construction: These filters are and can withstand frequent use and maintain performance. Easy to maintain: Reusable filters provide cost-effective cleaning, reducing waste and hassle. High efficiency filtration: Use HEPA filter to capture large particles, ensuring cleaner air and longer motor life. new and high quality, easy to use Filter dust, filter the exhaust air, reduce dust damage to sensitive parts of the machine Filter screen can maintain machine performance and reduce dust and other things entering the air Can be easily removed and replaced It is recommended that you replace spare parts every 2 to 3 months according to the frequency of use to keep the machine running at optimal performance Colour:As Shown Material:Plastic Package Contents: 9 * Filter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.