General description vhbw offers a high-quality 4-part filter set designed specifically for Philips air purifiers and humidifiers. This filter set enhances indoor air quality, ensuring a pleasant and healthy environment by efficiently removing pollutants and impurities from the air. Technical specifications Includes: 2x Humidifying Element External diameter of Humidifying Element: 25.2 cm Height of Humidifying Element: 1.9 cm Weight of Humidifying Element: 184 g Washable: Yes Includes: 2x HEPA Filter Dimensions of HEPA Filter (L x W x H): 29 x 24 x 3.5 cm Weight of HEPA Filter: 184 g Usage The filter set is designed to ensure that your air purifier and humidifier operate efficiently and reliably. Regular replacement of the filters is recommended based on usage frequency to maintain optimal performance.