No need to remove the existing shallow box, just attach this Non-metallic box extender adds height and depth to an electrical box Finishes with any standard 1-gang wall plate Fast, easy and convenient, so you save time and money Non-Metallic Box Extender, extends a shallow box 58 inches can be used for indoor and outdoor applications - basically, anywhere you need a box extender Allows you to install larger devices such as gFcIs in shallow boxes, Made of heavy-duty, non-conductive plastic Dimension: Height 5117-Inch x Width 3336-Inch x Deep 0625-Inch
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Item# : SPM16375392924
Model # : FBA-BES1-2PK