General description Our vhbw HEPA filter is a high-quality, precision-fit replacement designed for the Aktobis WDH-660b and WDH-988b air purifiers. Ideal for allergy sufferers, this filter effectively extracts tiny dust particles and impurities, such as household dust and pollen, from the air. Its enlarged surface area allows for thorough filtration of pollutants and even odors, 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): 24.8 x 10 x 2 cm Material: microfleece Color: white Replacement cycle: every 6 - 12 months Compatibility and accessories Compatible with: Aktobis WDH-660b, WDH-988b Replacement for: 114924-0001 Other information Content of delivery: 1x HEPA filter