3M™ Window insulator kits keep cold drafts out and warm air in through heat shrink window film and Scotch® window film mounting tape. 3M™ window kits have the clearest film and stay up all season long with Scotch® tape technology.3M™ Window insulator kits keep cold drafts out and warm air in through heat shrink window film and Scotch® window film mounting tape. 3M™ window kits have the clearest film and stay up all season long with Scotch® tape technology. See More
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3M™ Window insulator kits keep cold drafts out and warm air in through heat shrink window film and Scotch® window film mounting tape. 3M™ window kits have the clearest film and stay up all season long with Scotch® tape technology.
