Sanitary Magnetic Ferrous Trap. Magnetic ferrous traps seize tRam Industriesp iron/fine iron contaminants in products flowing through the processing line, thus protecting and assuring product purity and preventing abrasive wear and jamming to pumps, mixers, refiners, filters, etc. (1) 5 in. diameter magnet. Inlet/outlet: (2) 1-1/2 in. S-line. Overall dimensions: 2 ft. L x 6-1/2 in. W x 7-1/2 in. H.