Colorado DOT Surplus Magna-Guard Oil Filter Magnets 10 Pack New

Water. Fire. Air. Dirt. Today's modern internal combustion engines face assault from many directions. These Magna-Guard Oil Filter Magnets were originally purchased under contract with the Colorado DOT, but ended up in long-term storage until recently discovered. Each is designed to supplement an oil filter, and help draw ferrous particulate out of engine oil. But these could be used for anything, from a science fair project to custom uses around your shop or lab. Use with an oil filter Magnetized alloy creates a powerful field Attracts ferrous particulate Cool find for custom projects