3M 7000031873 EMS 4" Extended Range 5` Ball Marker - Gas 1405-XR
3M EMS Extended-Range Ball Marker provides an effective way of marking underground facility lines. It withstands a temperature range of -4 to 122 degrees F (-20 to 50 degrees C). This passive underground marker with a water-resistant polyethylene shell does not react with any chemicals or minerals. The easy-to-use marker system has an extended detection range of 5 ft. This ball marker effectively operates without the need for any external power source.
5-ft detection range;Self-leveling design for precise and horizontal positioning;Offers easy marking of buried gas lines;Passive antenna encased in green water-resistant polyethylene shell;Withstands a temperature range of -4 to 122 degrees F (-20 to 50 degrees C);Works without any external power source