3 Inch Duct Connector Flange Metal Straight Pipe Exhaust Hose Flange, 6 Pcs Bearing Balls for GMC Sierra 2500 HD

for GMC Sierra 2500 HD Classic 2007

for Chevrolet Silverado 1500 6

7L V8 - Gas  2006-2010

for Porsche Panamera S V6 Turbo 3

3 Inch Duct Connector Flange Metal Straight Pipe Exhaust Hose Flange, 6 Pcs Bearing Balls for GMC Sierra 2500 HDThe duct flange is widely used as air inlet and outlet connector in ventilation systems, suitable for ducting your air conditioning system, dust collection system, tumble dryer, extractor fan, exhaust fan, in line extract fan, cooker hood, and so on. Specification Color: Silver Tone Material: Galvanized Iron Interface Outer Diameter: 73 mm 2. 9 inch Diagonal Mounting Hole Distance: 88 mm 3. 5 inch Distance Between Adjacent Mounting Holes: 43 mm 1. 7