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BOX53171K - 4" 30 CU.IN. OCTAGONAL EXTENSION RING

Constructed from steel, this 4" Square Extension Ring from Thomas and Betts is designed to facilitate rapid installation. Suitable for all kinds of wall & ceiling support, this extension ring has a volume capacity of 30 cubic inches.CSA certified.

4 in. Square extension ring. Concentric knockouts. 30.0 cu. in. 4 in. x 4 in. x 2-1/8 in.

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