Broan Pressure Relief Damper w/ Wall Cap and 6" Collar

Specially designed to handle intake or exhaust air from BROAN Energy Recovery Ventilating products. Features: 30 gage galvanized steel construction Combines wall cap and damper into one unit Accepts 6" round duct Reversible damper - can be used for intake or exhaust Damper has positive seal - works in horizontal or vertical position Movable collar - aids in sealing cutout Built-in birdscreen Extra long collar for easy connection of rigid or flexible ducting Wide nailing/sealing flange Can provide code required fresh air ventilation when ducted to furnace cold air return Includes a "Fresh Air Inlet" label for required marking in some jurisdictions