Air Duct Reducer 6 to 4 Inch Round Duct Adapter Galvanized Steel for Inline Ventilation System Connects Duct Fan or Dryer Vent Pro Grade Heavy Duty Metal Connector for HVAC Ductwork Easy Fit Seals Leaks and Keeps Airflow Smooth

Galvanized 6 to 4 Inch Duct Reducer for HVAC Systems
✔️ Outer 6 in to inner 3.9 in, 4.7 in long, single piece, galvanized steel

This heavy-duty galvanized steel connector lets you adapt HVAC ductwork by joining a 6-inch duct to a 3.9-inch duct, making inline ventilation systems and dryer vents fit seamlessly.

✅ Outer diameter: 6 in; inner diameter: 3.9 in; length: 4.7 in; material: galvanized steel
✅ Durable galvanized steel with corrosion resistance for long life
✅ Easy installation with montage glue, tape, or steel clips
✅ Seals leaks and keeps airflow smooth in HVAC ductwork

💡 What is a duct reducer used for in HVAC systems?
A handy component that tailors airflow by joining different duct diameters.
- It connects 6 in and 3.9 in ducts for versatile layouts
- Handy for joining fans, dryers, and exhausts to smaller ducts
- Made from galvanized steel for corrosion resistance
- Easy to install with glue, tape, or steel clips