Advanced Filtration Technology: These filters are engineered to maintain your vacuum's efficiency, reduce dust and allergen penetration, and improve the air quality in your home. Perfect for homes that require high air purity. Improved Airflow & Stable Performance:Optimized filter material and structure allow strong air intake and smooth airflow, helping your maintain high values and stable purification efficiency. Regular replacement of the HEPA helps extend the service life of your air purifier motor. Cost‑Effective : offering great value and convenience for long‑term use. Keep a spare on hand for timely replacement to ensure uninterrupted purification, especially during allergy seasons or periods of heavy air pollution. Eco-Friendly and Durable: Made from durable materials, these filters not only support environmental sustainability, but also ensure your vacuum runs at optimal efficiency for longer. Usage Tips:For best results, use in a dry indoor environment and avoid direct exposure to moisture. Replace the filter regularly depending on local air conditions and operating time, typically every 6-12 months. Color: As Shown Material: plastic Package Contents: 1*HEPA Filter