• Tough3-ply aluminum foil laminate construction
  • Flexible, 4-inches by 25-feet
  • Easy to install, maintains shape
  • Air tight, UL 181 listed and marked
  • Not for use on dryers
  • Tough3-ply aluminum foil laminate construction
  • Flexible, 4-inches by 25-feet
  • Easy to install, maintains shape
  • Air tight, UL 181 listed and marked
  • Not for use on dryers

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