- Adjustable telescoping hanger arms that can be shortened as well
 - Foam gasket seals air tight at installation to back of sheetrock
 - Dust and debris cover prevents construction contamination
 - Mud ring prevents gaps between the boot and sheetrock
 - Dust and debris cover provides a plug for HVAC pressure testing
 
Friday, March 8, 2013
Speedi-Boot SBH-4127 FB 4-Inch Width by 12-Inch Length to 7-Inch Diameter 45-Degree Register Vent Boot with Adjustable Hangers
Speedi-Boot SBH-4127 FB 4-Inch Width by 12-Inch Length to 7-Inch Diameter 45-Degree Register Vent Boot with Adjustable Hangers

   
