4 Inch Duct Connector Flange, Metal Straight Pipe Exhaust Hose Flange with Clamp for Heating Cooling Ventilation HVAC System Hinges With Holes 42" (L*W*H)

42" (L*W*H)

Twist drill bit with round shank

Please be cautious before your final purchasing

8 x Round Washers

High precision machine process provides the most steady and smooth gear mechanism and work experiences

4 Inch Duct Connector Flange, Metal Straight Pipe Exhaust Hose Flange with Clamp for Heating Cooling Ventilation HVAC System Hinges With Holes 42" (L*W*H)Duct flanges are widely used for air ventilation systems in home, kitchen, bathroom, garage and factory etc. Specification Color: Grey Material: Galvanized Iron, Stainless Steel Interface Outer Diameter: 95 mm 3. 7 inch Diagonal Mounting Hole Distance: 108 mm 4. 3 inch Distance Between Adjacent Mounting Holes: 53 mm 2. 1 inch Base Outer Diameter: 119 mm 4. 7 inch Packing List: 1 x Duct Connector, 1 x Stainless Steel Clamp Advantages 1. The connector