2 (51mm) IPS Duct Round Afterset
Installed either before or after concrete pour to create activation from duct. NOTE: Drill a 2 1/2in (64mm) hole in concrete and a 2 1/4in (57mm) hole in duct.
Installed either before or after concrete pour to create activation from duct. NOTE: Drill a 2 1/2in (64mm) hole in concrete and a 2 1/4in (57mm) hole in duct.