Beefy 5 To 4 Inch Duct Reducer Increaser Galvanized Steel Vent Pipe Adapter For HVAC And Dryer Vent Systems Round Metal Coupling Connector For Exhaust Fans Bathroom Ventilation And Kitchen Hoods

5 to 4 Inch Galvanized Duct Reducer Increaser for HVAC
✔️ OD 3.89-4.88 in, depth 3.54 in, mid 1.34 in; galvanized steel

This round galvanized steel duct reducer/increaser connects 5-inch to 4-inch ducts for HVAC and dryer vent systems. It's suitable for residential, commercial, and industrial applications, including bathroom ventilation and kitchen hood exhaust.

✅ 3.89-4.88 in outer diameter range (OD)
✅ 3.54 in overall depth with 1.34 in middle transition
✅ Galvanized steel resists rust, moisture, and corrosion
✅ Male-to-Male configuration for reducer or increaser use
✅ Compatible with solid or flexible ducting; push-fit style

💡 What is a duct reducer/increaser used for in HVAC and dryer vent systems?

This handy device lets you connect different duct sizes without sacrificing airflow. - connects 5 in to 4 in ducts for secure fit - galvanized steel stands up to moisture in HVAC and dryer vents - works with solid or flexible ducting for easy retrofits - simple push-fit installation for DIY or pro projects ✝️