General description vhbw offers a high-quality, precision-fit HEPA filter designed for air purifiers, particularly suitable for allergy sufferers. These filters are crafted from carefully selected materials to ensure top filtration performance, effectively extracting tiny dust particles and impurities such as household dust and pollen from the air. With an enlarged surface area, they filter out pollutants and odors more thoroughly, resulting in a more pleasant indoor environment and improved air quality. HEPA filters are disposable and should be replaced every 6 to 12 months. Technical specifications Dimensions (L x W x H): 36 x 27.5 x 5.3 cm Particle filter classification: H11 Weight: 390 g Material: fleece Colour: white with black plastic frame Replacement cycle: every 6 - 12 months Compatibility and accessories Replacement for Philips FY2422/30 Content of delivery: 2x HEPA filter