magnetic grill (drawer type) can be fitted simply in existing hoppers, pipe line or outlet of various equipments like pulveriser, blenders or any other outlet location. In standard type single row of magnetic elements are placed at specific distance. Whereas in multilayer type magnetic grills magnetic elements are mounted above each other with zig-zag position for effective clearing. In case of self clearing grills ferrous material can easily be removed, just by pulling the magnetic elements.