Marker Ball, 3M Extended range
3M EMS 4" Extended Range 5' Ball Marker - Wastewater 1404-XR
This 4 inch ball shaped wastewater utility marker is ideal for marking underground wastewater facilities up to 5 feet deep.
The 3M ScotchMark 1404-XR Electronic Ball Marker for Wastewater Utilities contains a passive-tuned antenna, molded inside a plastic disk, which is free-floating inside a water-resistant polyethylene shell. The shell is impervious to minerals, chemicals, and temperature extremes normally found in underground plant environments.
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