3M Indoor Window Insulator Kit, 1-Window

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Included: (1) 7' x 19.7' film sheet, (2) rolls of tape each 1/2" x 500" Insulates one 6'8" x 19'5" window Lowers heating costs and saves energy Applies easily, shrinking tight, wri nkle-free and clear on glass Increasing the R-value of single pane window by 90% Show more