4 Inch Duct Connector Flange, 2 Pack Metal Straight Pipe Flange Square to Round Interface Air Duct for Heating Cooling Ventilation HVAC System 5/16" OD x 3Ft x 3/64" T Rust and corrosion resistant

Rust and corrosion resistant

or anywhere clean looking wiring is needed

Small size

Compatible Vehicles: for BMW 320i Base 2

The power of hand electric drill needs to be greater than 750W

4 Inch Duct Connector Flange, 2 Pack Metal Straight Pipe Flange Square to Round Interface Air Duct for Heating Cooling Ventilation HVAC System 5/16" OD x 3Ft x 3/64" T Rust and corrosion resistantDuct flanges are widely used for air ventilation systems in home, kitchen, bathroom, garage and factory etc. Specification Color: Grey Material: Galvanized Iron Interface Outer Diameter: 95 mm 3. 7 inch Diagonal Mounting Hole Distance: 126 mm 5 inch Distance Between Adjacent Mounting Holes: 80 mm 3. 1 inch Base Size: 135 x 135 mm 5. 3 x 5. 3 inch (L*W) Packing List: 2 x Duct Connector Advantages 1. The connector is made of galvanized iron, which is