Flat aluminum profiles with felt and a linear brush. Rolled, easy to clean. Stops dirt through active operation of a linear brush, situated above the felt surface, and absorbs moisture. High cleaning effect. Perfectly removes sand and other debris. Recommended only for internal entrance areas. Suitable for entrances with any pedestrian traffic - shopping malls, galleries, offices, hotels, banks, entrances to multi-family and commercial buildings. In order to maintain high performance characteristics, it is recommended to use it together with an external mat that reduces access of moisture to the interior.