Designed for industrial and commercial applications, Rosahl micro-dehumidifiers use a solid polymer membrane to remove moisture from sealed enclosures when a low voltage is applied. The products cover volumes from one litre to 4m³.
A small cut-out is made in the side of the enclosure, over which the membrane is installed. Moist air is removed from the cabinet through the membrane by electrolysis when 3V DC is applied. The membrane is normally mounted from inside the cabinet, but can be mounted on the outside by request.