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These kits are installed on the inside of exterior windows to help drafts and increase R-value of the window, saving energy. Each kit consists of a clear plastic 42" x 64" sheet that shrinks tight and wrinkle free with an ordinary hand held hairdryer (not included). It may be installed on metal, painted, varnished wood or vinyl clad window frames with the double-face tape provided.
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3 Pack Window Insulation Kits
These shrink-fit window insulation kits can help to reduce drafts and increase the R-value of existing windows, lowering energy use. Three 42" x 64" plastic sheets are provided in each package.
