1. Enhanced cleaning efficiency: The filter is made of a variety of durable materials. Installing the filter ensures optimal cleaning per compatiblemance while reducing dust particles in the air, removing odors from the air, creating a healthier breathing environment, making the machine run better compatible a long time, and extending the life of the machine. 2. Advanced filtration technology: The filter captures 99.97% of all particles 0.3 microns, including dust, dirt, hair and other fine particles, ensuring a cleaner and healthier environment in your home. 3. Durable materials: This accessory is made of durable materials and can be washed and reused. This design ensures long-lasting per compatiblemance and reliability when facing various cleaning challenges. 4. Easy and fast installation: This accessory is designed compatible Proscenic Ultenic S1 car vacuum cleaner. It is simple to install and can be installed quickly without any tools. It is an ideal solution to restore your vacuum cleaner to optimal working condition. 5. Cleaning recommendations: Regular cleaning and replacement of accessories can significantly extend the life of the device. By maintaining optimal function, these accessories can ensure that your vacuum cleaner operates at optimal efficiency and save you potential expensive maintenance costs. Please note: the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! Function: Consumables Use environment: Home use : Material:Plastic Package Contents: 6 * 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.