Two Pack 4 Inch Round Spiral Air Ducts, 45 Inch Long Threaded Metal Ducts, Galvanized Steel Dryer Vent Hose Extension For Home, Shop Or Industrial Use And Commercial Venting

Two-Pack 4-Inch Round Spiral Ducts, 45-Inch Length
✔️ 2x45in long, 4in diameter, galvanized steel duct, 120°C max

These round spiral air ducts are a durable galvanized steel extension designed for home, shop, or industrial venting. They’re ideal for dryer vent extensions, exhaust runs, and general ventilation projects, with easy installation thanks to female connectors on both ends.

✅ Size: diameter about 4 inches (100 mm), length about 45 inches (1150 mm)
✅ Material: galvanized steel for rust and oxidation resistance
✅ Ends: female connectors on both ends for straightforward installation
✅ Temperature rating: max airflow temp 120°C (248°F)

💡 How to choose a galvanized round spiral air duct for home or industrial venting?

- 4 in diameter round spiral air duct (100 mm) and 45 in length (1150 mm) to fit tight spaces
- Galvanized steel resists rust and oxidation for long life in busy ventilation runs
- Temperature rating up to 120°C (248°F) supports hot exhaust and dryer vent use
- Ensure both ends are female connectors for quick, secure installation in HVAC systems