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Grandview Lumber

Electrical/Lighting > Electrical Boxes > Steel Square

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Item Size
4SB-50/75-EXT 4" SQ EXT BOX     4"
Square Extension Box
  • 1-1/2" Deep.
  • 8-1/2" Side Knockouts.
  • 4-3/4" Side Knockouts.
Description: 4SB-50/75-Ext 4" Sq Ext Box
Item#: 5702-1115-1
UPC: 835243011151
Price: $3.99 / EA


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