Mobile water-filled dam - a temporary reusable hydraulic structure encloses the waters or territory from the effects of water elements for the protection of residential and industrial buildings from flooding. It consists of one or more soft shells intended for use as flexible prefabricated water obstacles. MR-GNI Dam Series is a soft, water-filled tank of a polymeric material, length up to 15 m of water-filled dam is provided by tank drain tap DN40. On both sides, the perimeter set straps with eyelets for fixing the dam using ropes on the surface in a strong current.