Fisher M-97 Valve and Box Locator with 11" Search Coil

The M-97 Valve and Box Locator is an all-metal detector specifically designed to search for buried or paved over valves, boxes, manhole covers, and other concealed metallic objects. It can sense 3” aluminum and brass markers up to 18” deep, valve boxes up to 18” deep, and manholes up to 42” deep. Able to search through concrete, asphalt, and soil, the M-97 can also sense targets made of lead, brass, and aluminum.