Speedi-products 4 in. Black galvanized flush roof cap with removable screen, backdraft damper & 4 in. Collar. Used for exhaust venting systems. Can be used for remodeling, do it yourself & new residential projects.
- Removable screen, backdraft damper & 4 in. Collar
- Used for exhaust venting systems
- Seal joints with approved duct mastic sealants & tapes
- Consult your local building codes for approved installation practices