Master Magnets manufacture a range of magnetic tubes and grids, for the removal of fine and general tramp iron to protect a product from metal contamination. Grid magnets are manufactured from ceramic or rare earth magnetic tubes, they are installed in hoppers, chutes and ducts to benefit mainly food processing and ceramic industry. The grids are available in a range of housings to meet the customer’s individual requirements. Optionally a grid can be constructed with an automatic pneumatic cleaning device reducing downtime.