Core 400S Air Purifier Filter Cartridge for LEVOIT, Featuring a 3-in-1 Activated Carbon Composite Filter, Single Pack, White

["[Compatible Devices]: This Core 400S replacement filter is compatible with the LEVOIT Core 400S / Core 400S-P Smart WiFi Air Purifier.","[3-Stage Filtration System]: ① Fine nylon pre-filter; ② True H13-grade high-efficiency filter; ③ Dense activated carbon filter. Removes cooking odors, smoke, pet dander, volatile organic compounds (VOCs), and various other odors, significantly improving indoor air quality.","[Superior Efficiency]: Utilizing an advanced low-density structure and electret charging technology, this system achieves high-efficiency filtration with lower energy consumption and air resistance, extending the filter’s service life and ensuring consistent, stable purification performance.","【This package contains one LEVOIT Core 400S replacement filter cartridge to meet your regular replacement needs. Dimensions: 9.3 × 9.3 × 10 inches. Note: We recommend replacing the filter every 6–12 months to help extend the lifespan of your air purifier; the specific frequency depends on the air quality in your environment. The filter is individually sealed in plastic packaging to ensure it remains in perfect condition until use.","【Shop with Confidence】: Your satisfaction is our top priority. If you have any questions about compatibility or performance, or if you encounter any issues with your order, our dedicated customer service team is always here to help. With our quality guarantee, you can enjoy fresh, clean air."]