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12" x 12" Durable Vent Cover, Works On Any Grille Material
  • Blocks cold drafts from your central AC vents
  • Fits grilles up to 12 in. L x 12 in. W x 2 in. D
  • Inside dimensions: 12 in. x 12 in.; outside dimensions: 13.5 in. x 13.5 in.
  • Vent covers are easily installed without tools and are clear and virtually undetectable once installed
  • Vent covers work on any grille material, including wood, metal, aluminum or plastic
  • A bungee cord with hook holds them tight against the ceiling
  • Rubber gasket provides an air tight seal
  • Stops energy loss, cold drafts; install in winter, remove in summer; reusable

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