Zip Wall Heavy Duty Zipper w/ Zipper Knife 2-pk

-Heavy Duty ZipWall® Zippers- provide quick and
easy access in and out of dust barriers. Each box of 2 zippers comes with the innovative ZipWall® Zipper Knife, which double cuts the sheeting to keep it from jamming. Patent pending. These zippers are tough and can be used both indoors and outdoors in freezing temperatures.