VENT MASK FILM is used for temporarily covering duct registers and return grills
during leak testing or cleaning duct work. Also can be used to keep dust and debris
from entering floor or wall registers during construction or renovation work.
Film comes perforated on a roll for easy application.
our Vent Mask Film comes in 200 foot rolls with individual perforated sheets of 12' x 8" or 4 " x 8"