1 Case ( 6 rolls )
8" x 200' rolls
* Duct Mask is used to provide a quick temporary seal on registers and grilles when measuring duct airtightness with a Duct Blaster or Blower Door.
* With Duct Mask you can reduce the time and hassle of sealing off the duct system, and look more professional to your customers.
* Duct Mask is an adhesive backed film in an 8 wide rolls.
* Duct Mask is perforated every 4" (8" wide rolls) to provide a quick, custom, one-step installation.
* Duct Mask is affordable, less than $.16 for a standard 6 x 10 register, or about $3.94 per average house.
* Duct Mask is sold by the case, which includes six 200' long (8" wide) rolls