M-D Dual Purpose Switch & Wall Plate Insulator, (6-Pack)
$3.69
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Closed-cell foam stops drafts through electrical light switches. Foam insulator also has a cut-out to fit GFCI (ground fault circuit interrupter) outlets. Year-round energy saver that seals against air loss. UL (Underwriter's Laboratories) approved. 6 per pack.
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