Many people close their vents to save energy

inside a 125mm spiral duct

External Wall Hood White Plastic 100mm

providing both function and style

Maintenance: Easy cleaning and periodic inspection

Trygghetsvakten DH4 Krypgrundsavfuktning _wf_exc Many people close their ventsTrygghetsVakten Sorption Dehumidifier DH4 The DH4 is a quiet and intelligently controlled sorption dehumidifier that effectively prevents mold in basements, crawl spaces, and foundation crawl spaces. By utilizing advanced temperature and humidity curves, it automatically adjusts its operation, leading to minimal energy consumption. Includes a digital display for easy control and reading. The DH4 is also equipped with a turbo mode to quickly dry damp