- the clever way High-quality, precisely fitting air filter from Macht Makes replacing the filter in your air purifier or humidifier easy Cost-effective replacement filters with optimal filtration performance Ensures hygienic and comfortable room climate All compatibility and technical details can be found below Especially during winter, air humidifiers help maintain a more pleasant and healthy indoor environment. To ensure your humidifier continues to operate effectively and hygienically, the filter should be cleaned regularly and replaced every 36 months. Using high-quality replacement filters ensures optimal humidity levels and excellent hygiene. A clean filter prevents contaminants from spreading into the indoor air. Package includes: 2x Air Humidifier Filters Technical specifications: Dimensions (L x W x H): 45 x 16 x 4.2 cm Color: turquoise Weight: 270 g Compatible with the following models: Soehnle Airfresh Hygro 500 Replaces the following original parts: Soehnle 68104, 4006501681041 / Leifheit 68104 - the clever way Premium quality in replacement parts and accessories for extended lifespan of your electrical devices.