Data sheet

Product Feature

4 inch wall exhaust vent: designed for new or replacement installations over existing 4 in openings; recommended for clothes dryer and bathroom fan exhaust applications.

11 inch through-wall pipe: includes an 11 in collar/tail pipe for through-the-wall installations and direct connection to the ventilation system.

Automatic gravity damper: opens with exhaust air pressure and stays closed when not in use to help block outside air and external elements; no screen included.

Designed for maximum airflow: features a 20.5 sq in net free area to help reduce back pressure and improve exhaust airflow during dryer or fan operation.

Durable 26 gauge aluminum: rust-resistant aluminum construction for long service life; bulk pack, installation screws not included. Can be used as a replacement for Item 642.

Weight

1.5 LBR

Model

3440

UPC-EAN

039899203445