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12" Monitoring Well Manhole 2 Bolt Watertight design with Buna N Gasket
Martin Products manufactures heavy-duty cast iron Monitoring Well Manholes. Traffic-rated design certified by an independent laboratory to meet or exceed H20 and AASHTO M306 roadway loading requirements. Quality construction with watertight covers utilizing Buna N rubber gaskets, stainless steel bolts, gasket washers, and embossable ID plates. Plastic skirts are lightweight and economical, yet extremely durable. Can be field cut with only a hand saw.