As communities grow, so do their underground assets. It becomes increasingly important to quickly and accurately identify exactly what is buried underground and where. The 3M Electronic Marker System (EMS) delivers more information to accelerate identification and help avoid costly mistakes.
3M™ Ball Marker.
Engineered for narrow trench applications up to 5′ in depth, the 4″-diameter ball marker has a unique, patented self-leveling feature that ensures an accurate, horizontal position regardless of how it is placed in the ground.(Contains a mixture of propylene glycol and water which is approved for use in pharmaceuticals, cosmetics and as a food additive. The mixture is readily biodegradable and will not harm humans, wildlife or the environment.)
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