Four Inch Galvanized Steel Ducting Takeoff Collar With Rock Solid Crimped Rims For Smooth Airflow And Zero Sweat Tumble Dryer Bathroom Fan Range Hood Install That Keeps Particles Out With An Airtight Flat Brim Seal

Reliable 4 Inch Galv Steel Duct Flange for Tumble Dryer Vent
✔️ 4 Inch Duct Opening 7 Inch Flange Flat Brim Crimped Rims Grip

This ventilation retrofitting accessory connects ducting to flat surfaces like ceilings or walls. Each galvanized steel collar is a handy addition that redirects exhaust outside while creating an airtight seal to block dust. The crimped rims grip flexible tubing for a hold that won't let go. Common pairings include tumble dryers, bathroom fans, and range hood ductwork.

✅ 4 Inch (10.1 cm) Duct Opening Diameter
✅ 7.4 Inch (18.7 cm) Flange Length Extension
✅ 4.0 x 2.2 Inch (10.1 x 5.6 cm) Collar Base Size
✅ Zinc Coated Surface Blocks Rust and Moisture
✅ Raised Lip Provides Strong Grip for Tubing

💡 Does a galvanized steel duct flange reduce backpressure in high CFM exhaust systems?A robust collar helps keep airflow steady and prevents choking.

• - Crimped rim design offers a smooth path so your fan runs easy.
• - Solid zinc body resists heat and rust so your seal stays tight longer.
• - Wide brim mounts flush to block dust and drops with zero sweat.