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Free Shipping on orders over $49Flexible Duct, Semi-Rigid Type, Nominal Size: 4 inch, 8 ft. Length, Aluminum, Flexible For Easy Installation Installation, Maximum Operating Temperature: 100 to 430 Deg F, For Use With: Dryer, Bathroom or Kitchen Venting, 6 inch w.g. Neg. Max. Pressure, Velocity: 5000 fpm max.
