IMPERIAL 4-in x 96-in Aluminum Semi-rigid Duct Item #929643 | Model #2030437 It gives an added measure

It gives an added measure of security

Made from unfinished solid white hardwood

the furnace features a single-stage gas valve

For general purpose venting applications

000000 Exterior Dimensions (W) (inches) 8

IMPERIAL 4-in x 96-in Aluminum Semi-rigid Duct Item #929643 | Model #2030437 It gives an added measureIdeal for general purpose venting applications including bathroom fans and kitchen range hood exhausting Semi rigid material holds its shape for improved airflow Non combustible, fire resistant and corrosion resistant aluminum construction Easy to install Class 0 semi rigid aluminum duct Maximum operating temperature of 435F Not suitable for dryer venting