- Speedi-Exhaust Products are made in the USA
 - The J-Block design has a reversible trim ring to accomodate brick, siding and stucco applications
 - Weighted damper prevents wind noise and animal entry.
 - Seal joints with approved duct mastic sealants and tapes
 - Consult your local building codes for approved installation practices
 
Thursday, March 21, 2013
Speedi-Products EX-HJBB 04 4-Inch Diameter Hood J-Block, Brown
Speedi-Products EX-HJBB 04 4-Inch Diameter Hood J-Block, Brown

   
