MFP Magnetic Inline Power Steering / Transmission Filters provide dual filtration that with the use of a powerful magnet removes 99% of damaging ferrous metal particles from power steering and automatic transmissions fluid. Secondary filtration media, removes remaining non-ferrous materials (i.e. copper, aluminum, dirt, clutch material) down to 25 microns. MFP Magnetic Inline Power Steering / Transmission Filters are housed in a rugged, compact laser welded stainless steel housing to insure zero leaks and fit into tight installation locations. MFP Magnetic Inline Power Steering / Transmission Filters are equipped with a safety bypass valve to ensure full flow.