The Miele C3 Complete vacuum cleaner is known for its advanced filtration system, which plays a crucial role in capturing and retaining fine particles, allergens, and debris from the air. This model features a total of three filters, each serving a specific purpose in ensuring the cleanliness of the air expelled by the vacuum. 1. Pre-Motor Filter: The first line of defense is the pre-motor filter. This filter is designed to catch larger particles such as dust, hair, and debris before they reach the vacuum's motor. It prevents these particles from entering the motor and causing potential damage. The pre-motor filter is usually made of foam or synthetic material that can be easily removed and cleaned. 2. AirClean Filter: The Miele C3 Complete is equipped with the AirClean filter, which is positioned between the dustbin and the motor. This filter efficiently captures smaller particles and allergens, ensuring that the air expelled from the vacuum is significantly cleaner. The AirClean filter is composed of a multi-layered material that provides superior filtration while maintaining strong airflow. 3. HEPA Filter: One of the standout features of the Miele C3 Complete is its HEPA filter. HEPA stands for High-Efficiency Particulate Air, and these filters are known for their ability to capture extremely fine particles, including microscopic allergens and irritants. The HEPA filter in the C3 Complete further enhances air quality by trapping even the tiniest particles, making it an excellent choice for individuals with allergies or respiratory sensitivities. These three filters work in tandem to ensure that the air expelled from the Miele C3 Complete vacuum cleaner is purified to a high degree. Regular maintenance, including cleaning or replacing the filters as recommended by the manufacturer, is essential to maintain the vacuum's optimal performance and air quality benefits. The combination of these filters in the Miele C3 Complete exemplifies the brand's commitment to providing a comprehensive and effective filtration system, making it a popular choice for households seeking both efficient cleaning and improved indoor air quality.