Prefabricated high-performance hydraulic and mechanical properties consist of a box-shaped outer cage covered with geotextile separator and core draining "pebbles" Styrofoam is not recycled fibers, insoluble and chemically inert to water.
Compared to GABBIODREN, the introduction of the tube to the base of the panel increases the ability of water runoff in terms of quantity and speed of disposal, allowing the collection and disposal of water towards drains of connection and inspection, ditches and channels.