Grill Magnets/ (Magnetic Grids) are designed primarily for fitting in Hoppers for removal of small particles of ferrous metal from free-flowing powders and granular materials when processed. Magnetic Grills manufactured to any size or shape, they are simply placed in or below hoppers, in closed chutes, floor openings, catch bins, and other locations. Open Grill Magnets are available in round, square, and rectangular shapes to fit your equipment. These Grill Magnet encased totally in stainless steel for rigorous handling are often used in hoppers in the plastics industry.