DryerFlex 4-Inch Dryer Transition Duct

DryerFlex is a UL 2158A listed 4-inch dryer transition duct designed to combine flexibility with durable all-aluminum construction. Unlike lightweight foil transition ducts that can be easily crushed or kinked behind the dryer, DryerFlex is designed to help maintain its shape and provide a reliable connection between the dryer and exhaust system.

Available in 4-foot and 8-foot lengths, DryerFlex is an excellent choice for residential, multifamily and professional dryer installations.

✓ UL 2158A listed dryer transition duct
✓ 4-inch diameter
✓ Available in 4' and 8' lengths
✓ All-aluminum construction
✓ Resists crushing and kinking
✓ Flexible for easier installation
✓ Designed specifically for clothes dryer connections

Need help choosing a dryer transition duct? Read our Best Dryer Vent Hose Guide.

Buying in bulk or purchasing for a project? Request contractor & quantity pricing.

What's Happening Behind the Dryer?

One of the most common problems behind a dryer is a crushed or kinked transition duct. Dryers can move during installation and use, and conventional lightweight foil ducts can become compressed between the dryer and wall.

A restricted transition duct can reduce airflow and create an area where lint can accumulate.

DryerFlex is designed to provide the flexibility needed for installation while offering greater resistance to crushing and kinking than conventional lightweight foil transition duct.

The DryerFlex Advantage

DryerFlex is constructed from an all-aluminum ribbon that provides flexibility while maintaining a full 4-inch diameter.

Its design allows the duct to bend, compress and extend during installation while helping maintain an open airflow path between the dryer and wall connection.

This makes DryerFlex particularly useful in installations where space behind the dryer is limited and the transition duct must remain flexible enough to allow the dryer to be moved for installation, service or cleaning.

Key Features

UL 2158A Listed — Designed and tested for use as a clothes dryer transition duct.
UL File Number E472188 — See the complete product marking and listing information for applicable details.
All-Aluminum Construction — Durable aluminum construction provides greater resistance to crushing than lightweight foil transition duct.
4-Inch Diameter — Designed for standard 4-inch clothes dryer exhaust connections.
Flexible Design — Bends and compresses to make dryer installation and positioning easier.
Crush Resistant — Helps maintain an open exhaust path when installed behind the dryer.Available in 4' and 8' Lengths — Choose the appropriate length for your installation.

Why Choose DryerFlex?

The transition duct is the flexible connection between the clothes dryer and the permanent dryer exhaust system.

Because this connection is located directly behind the appliance, it can be especially vulnerable to crushing and kinking when the dryer is pushed toward the wall.

DryerFlex provides a durable, flexible alternative designed specifically for clothes dryer transition applications. Its all-aluminum construction and UL 2158A listing make it an excellent choice for homeowners, contractors, multifamily projects and professional installations.

Which DryerFlex Length Do I Need?

4-Foot DryerFlex

The 4' DryerFlex is ideal when the dryer is located relatively close to the wall exhaust connection and only a short transition is required.

Using an appropriately sized transition duct helps minimize excess material behind the dryer.

8-Foot DryerFlex

The 8' DryerFlex provides additional length for installations where greater distance or flexibility is required between the dryer and wall connection.

Use only the transition-duct length necessary for the installation and always follow the dryer manufacturer's installation instructions and applicable requirements.

DryerFlex Installation Tips

Keep the transition duct as short and direct as practical.
Avoid unnecessary bends, compression or kinks.
Secure the duct properly to the dryer and wall connection.
Do not use flexible white vinyl duct for a clothes dryer exhaust connection.
Periodically inspect the transition duct for lint accumulation, damage or excessive compression.
Follow the dryer manufacturer's installation instructions and applicable local code requirements.