This duct increaser is designed to fit with our economy fan duct connector assemblies. It will work with 5" round duct systems, is UL 94 compliant for flammability, and made in the USA.
- Expand from 4" to 5" duct
- Allows easy connection of a ventilation fan (with 4" round duct connector) to 5" round ducting
- UL 94 compliant for flammability
Professional delivery and installation is available for every product we sell. We would be happy to coordinate delivery and installation for you.
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