Extension Ring, Galvanized Steel, 1-1/2" Nominal Depth, 4" Nominal Width, 4" Nominal Length
This extension ring can provide additional cubic capacity to a box, or it can be an outlet box for surface conduit.
|Grainger Dropship||1RVU4||Extension Ring,Square,|
|VMRS (ATA) CODES||053-006-009||Extension Ring,Square,|
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