Builders Best 110759 Metalflex V350-U Uncompressed Air Duct 5 inch 8 foot

Product Description

The BUILDERS BEST 110759 Metalflex V350-U is an uncompressed aluminum alloy air duct, 5 inches in diameter and 8 feet long, designed for HVAC systems. It features 30-degree strength angles between ribs and a mechanically locked, leak-proof "Acme" lock. This UL 181 certified Class 0 air duct, compliant with NFPA 90a and 90b, ensures efficient airflow by preventing flattening on bends. It operates within a temperature range of -100°F to +430°F.

• Features better stretching and bending characteristics for easy installation.
• Designed to eliminate flattening on the outside radius of bends, preventing restricted airflow.
• Constructed from aluminum alloy with a continuous knurled leak-proof "Acme" lock.

Product Highlights

UL 181 certified Class 0 uncompressed aluminum alloy air duct with factory crimped ends for smooth connections.

Product Information

Standard Information

• Brand: BUILDERS BEST
• Manufacturer Part Number: 110759