![465B duct expander](https://www.broan-nutone.com/getmedia/d2259cac-36ba-4644-bc89-33f5a69a34d4/465B_1.jpg?width=1800&height=1800&ext=.jpg)
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