General description vhbw offers a high-quality filter set designed specifically for Winix air purifiers, including models 114290 and 524540. This filter set enhances indoor air quality by effectively removing pollutants and impurities, ensuring a pleasant and healthy environment in your home. Regular replacement of the filters is recommended to maintain optimal performance. Technical specifications Activated Carbon Filter: Neutralizes unpleasant odors HEPA Filter: Filters out ultra-fine particles Activated Carbon Filter dimensions: Length: 46.5 cm, Width: 39.4 cm, Height: 1 cm HEPA Filter dimensions: Length: 47.2 cm, Width: 20 cm, Height: 3.4 cm Color of Activated Carbon Filter: Black Color of HEPA Filter: White Compatibility and accessories Compatible with Winix air purifiers models 114290 and 524540 Includes 1x Activated Carbon Filter and 1x HEPA Filter Usage To ensure efficient operation of your air purifier, it is important to replace the filters regularly based on usage