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 Small size

Small size

Hole Size: 15

They allow your shed or gate to open and close effortlessly while securely holding it in place

DIY jewelry

Widely used on auto shutter

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 Small sizeDuct 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