Ducts, Dampers & Adapters
4” to 5” Duct Expander
This duct increaser is designed to fit with our InVent™ fan duct connector assemblies. It will work with 5” round duct systems and is UL 94 compliant for flammability.
Model:
465B
This duct increaser is designed to fit with our InVent™ fan duct connector assemblies. It will work with 5” round duct systems and is UL 94 compliant for flammability.
465B