3 Inch Duct Connector Flange Metal Straight Pipe Exhaust Hose Flange, 6 Pcs Bearing Balls and others are not suitable

and others are not suitable

PVC pipes are mainly in water pipes

for GMC Sierra 2500 HD Classic 2007

5 x Limit Switch with mounting screws

3 Inch Duct Connector Flange Metal Straight Pipe Exhaust Hose Flange, 6 Pcs Bearing Balls and others are not suitableThe 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