Builder's Best SilverDuct™ Clothes Dryer Transition Duct, 4" x 8'
This wire helix duct made of steel wire and layers of aluminum and polyester is UL® 2158A listed.
Steel wire support, multi-ply design of aluminum and polyester
Lengths 8′ and under are UL® listed and labeled as foil dryer transition duct
SilverDuct™ UL® 2158A clothes dryer transition duct provides flame resistance. However, it crushes easily behind the dryer and is held together with layers of aluminum foil and polyester plastic.
Clothes dryer manufacturers may limit the use of plastics in venting. Check the dryer warranty and installation instructions as well as your local building codes for appropriate use.