4″ x 6′ UL 2158A Semi-Rigid Transition Duct 90 Degree Close Elbow Kit

UL 2158A duct is highly recommended for clothes dryer venting installations.

Patent: 10,458,058 (Link to Patent)


This dryer duct product is what most clothes dryer manufacturers recommend in their installation instructions. This transition duct kit installs from the wall to the clothes dryer. NOTE: Vent a clothes dryer according to the manufacturer’s instructions and local codes.

  • Patented elbow
  • Space saving design
  • Prevents excess lint buildup due to a smooth interior surface
  • Resists crushing and maintains maximum airflow
  • Swivel connectors on close elbows allow moving dryer without disconnecting
  • Flexible semi-rigid aluminum triple-lock design for more durability
  • Ideal for both gas and electric dryer installations
  • UL 2158A listed and labeled as a clothes dryer transition duct


Product Contains:
(1) – 4″ x 6′ UL 2158A Semi-Rigid Aluminum Transition Duct
(2) – 4″ Aluminum 90 Degree Close Elbows
(4) – 4″ Metal Worm Gear Clamps

Spec Sheet

Item Number:
Pack Quantity:
Package Size:
4 3/4 x 12 1/4 x 20 7/8
Package Type:
Retail Carton
Package Weight:
2.25 lbs.
0 3989904006 4