Field Connector 4 in. Aluminum

This one-piece, 4-inch aluminum connector is engineered for quick and secure field splices of round ductwork. Its center bead reinforces the joint, while the crimped ends ensure a tight, slip-over fit—simply slide the ducts over each end and fasten. Constructed of fire-resistant aluminum, it delivers reliable performance in demanding HVAC and ventilation systems.

Key Features

• Beaded midsection adds rigidity and prevents joint deformation
• Crimped ends for fast, tool-free installation
• Fire-resistant aluminum construction for durability
• Rated for up to 80 psi working pressure and 5,000 FPM air velocity
• Wide operating range: –100 °F to 430 °F
• Easy installation: slide, align, and secure
• Reinforced bead for long-lasting connections
• Lightweight yet sturdy (1.58 oz)
• Compatible with standard 4 in. round ducting