“EFI†Permanent Plate Magnets are Suspended over your flow, chutes, ducts or located directly in the flow line, plate magnets produce a strong magnetic field separating tramp iron from your dry flow, maintaining product quality. It is used for excellent magnetic separation for removing small tramp iron such as nuts, bolts, etc. In certain cases, such as removing fine iron from powders, rare earth magnetic is required. These magnets are maintenance free, easily installed and not affected by wet conditions.