Metalbest 3" x 10-Foot Aluminum Flex Length Extension Kit

3" x 10-Foot Aluminum Flex Length Extension Kit

Add an additional 10 feet to your duct work with this 10 foot extension kit.

Features:

• Materials: Aluminum 3003, 2-ply (0.005" each)
• Fuels: Gas
• Temperature: 470 degrees F
• UL Listed: UL 1777
• Warranty: Lifetime Limited Warranty