Create hands-free, self-closing access to your worksite.  Quick and easy to install, the ZipWall® magnetic door attaches to the barrier material. Powerful self-closing action maintains a tight seal. Durable, reusable, and airtight; specially designed magnetic strips create a continuous seal around the door.  Tough nylon fabric is flame retardant and features a clear plastic window and can be used with negative or positive air.  Easily handles high traffic.  ZipWall® Magnetic Dust Barrier Door Kit contains one flame retardant door panel, four 3’8” and two 2’1” magnetic strips, one header bar with clips for 10’, 12’, and 20’ ZipWall® spring-loaded poles, and a carry bag. Poles not included.  Door panel dimensions: 7'2" x 4'7".  Works with all ZipWall® spring-loaded poles. Dimensions: 5" x 3.5" x 45". Liner.  Thickness: 1.3 mil.  250 Box.