3M 2120W6 Indoor Window Insulation Kit

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62" x 84" film. 1/2" x 432" tape. Insulates two 3' x 5' windows. Clear as glass. Peggable box.
SKU: 40231111
MFG: 2120W6
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Reduces heating costs and saves energy. Stops cold drafts, helps prevent frost build-up and reduces condensation. Performs like an extra storm window. Shrinks tight for wrinkle-free, clear-as-glass results. Increases R-value by 90% over an average single pane window.


  • 62" x 84" film
  • 1/2" x 432" tape
  • Insulates two 3' x 5' windows
  • Clear as glass
  • Peggable box


MFR: 2120W6
SKU: 40231111
UPC: 051131569508
Brand: 3M
Weight: 1.0 lb