The semi-rigid aluminum duct is ideal when all aluminum duct is required by code in some gas and electric dryer applications. This duct is totally non combustible with a maximum operating temperature of 435°F.
UL Listed & Marked version of the semi-rigid aluminum duct.
This particular duct can be used in applications where the dryer manufacturer calls for a UL version of an all aluminum product.
The UL duct is 35% thicker then the standard version and new manufacturing technology incorporated into the duct allows for easy rotation and therefore more durable handling of the duct by the contractor.