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RACO 1-Gang Gray Metal New Work/Old Work Standard Octagonal Ceiling/Wall Electrical Box in the Electrical Boxes department at Lowes.com
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iMBAPrice BE1R 1-Gang 4.35-Inch x 1.5-Inch Plastic Electrical Ceiling Box Extender for 3.5" and 4" Round or Octagonal Boxes - - Amazon.com
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CARLON 1-Gang Blue Plastic New Work Standard Ceiling Fan Ceiling Electrical Box in the Electrical Boxes department at Lowes.com
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