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Vent Lengths for 3 Inch Diameter (7.07 Square Inches Area) Vents

 

Vent Lengths for (2) 3 Inch Diameter (14.14 Square Inches Area) Vents

Go to Vent Length Charts (SIngle and Dual Port)
2 inch Vents    4 inch Vents    5 inch Vents     6 inch Vents

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