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Sutherlands Home Improvement Centers and Building Materials Since 1917
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4 in Oct Box Extension Ring

Mfg.# 130
Sku# 8351355
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*Estimated stock levels as of Mon, Jun 18, 2018. All items subject to prior sale. Please call ahead to verify.

Two 1/2 in and two 3/4 in conduit knockouts (sides). Extension rings provide a means for adding additional cubic capacity or as and outlet box for surface conduit.

  • 1-1/2 in Deep - 15.5 Cubic Inches
  • Width:4 in