3M Disk Marker 1411-XR-1H, 5 ft Range, Telephone, Not for Direct Bury
/
- Locates flush-mounted facilities which have become covered by backfill
- Offers easy marking of buried lines
- Passive antenna encased in orange water-resistant polyethylene shell
- Withstands a temperature range of -4 to 122 °F (-20 to 50 °C)
- Works without any external power source
- Works without any external power source