3M 7100177981 | 1411-XRV 4" Diameter Vault Marker

3M EMS Vault Markers are specially designed for locating flush mounted facilities that are covered by backfill. It is affixed to the underside of non metallic lids or covers over flush mounted facilities. This marker offers positive identification of facilities.

Features:

• Locates flush-mounted facilities which have become covered by backfill
• Offers easy marking of buried lines