*Sold by the foot. A full spool is 250 feet in length maximum.
Black 3M Adhesive-Backed Main Door Seal. Easy installation. A length of 20 feet is needed for one door installation.
With a 3M strip on the flat side and a ½” x ½” x ¾” measurement, your door will be air and water tight.
Compatibility: 1974 to Present Airstream trailers.