Leading manufacturers of filter equipment were looking for a filter medium that represents a genuine alternative to existing sand filter systems for mechanical preparation of surface water, wastewater, and sea water. GKD therefore faced a tough challenge: to develop a fine filter medium for hydrostatic filtration that reliably separates 99 percent of all particles > 6 µm and also offers a high throughput. As a proven supplier that had been delivering sophisticated filter media for many years, GKD then presented the flow-optimized 6 µm ODW 6 dutch weave solution. This increases the flow rate by up to 25 percent, while maintaining the same overall aperture. The innovative filtration mesh design, produced from stainless steel, combines consistently precise selectivity in the micro-filtration range with high permeability, stability, and backwashability.