Nutone 463B 3 inches to 4 inches Duct Expander

Product Description

The NUTONE 463B duct increaser is designed to fit with fan duct connector assemblies. It is designed to work with 4 inch round duct systems and is UL 94 compliant for flammability. It is used to expand a 3-inch duct to a 4-inch duct.

• Designed to fit with fan duct connector assemblies
• Works with 4 inch round duct systems
• UL 94 compliant for flammability

Product Highlights

The Nutone 463B duct expander expands a 3-inch duct to a 4-inch duct.

Product Information

Standard Information

• Brand: NUTONE
• Manufacturer Part Number: 463B

Technical Specifications

• Brand: Broan-NuTone
• Shape: Round
• Used With: 4 in Round Duct Systems
• Part Number: 463B
• Item Package Quantity: 1
• Batteries Included?: No
• Batteries Required?: No