IMPERIAL 4-in Dia Aluminum Dryer Vent Extender Item #778320 | Model #6BU501505 The wallboard panels consist of

The wallboard panels consist of a fire-resistant gypsum core that is encased in 100% recycled natural-finish paper on the face side and sturdy liner paper on the back side

Ensure that your refrigerator and freezer are never left slightly open by mistake with auto-close doors

bonus rooms

Larger striking face was developed to minimize missed strikes

A built-in power supply unit and cable holder help to further reduce clutter

IMPERIAL 4-in Dia Aluminum Dryer Vent Extender Item #778320 | Model #6BU501505 The wallboard panels consist ofIncreases length of dryer exhaust port to 3. 5 in Connects with 4 in worm gear clamp (not included)