stubby exhaust

Airflow varies widely: many bathroom fans list between about 50 and 100 CFM (including selectable settings), while high‑velocity models list up to 308 CFM. Common single ratings shown include 100 CFM and 110 CFM.

Materials vary by model and include polypropylene, steel, and mixed metal‑and‑plastic constructions. Some listings specifically call out steel construction for increased durability.

Noise is generally described as low or quiet. One model specifies operation at ≤46 dB; other listings emphasize low noise together with energy efficiency.

Wiring varies by model: some units are plug‑in, while others require hardwired installation. Power specs given in listings include examples such as 27 W and current ratings like 0.39 A.

Package contents vary by model. Examples shown include the main fan unit, rear grille, flange connector, mounting screws or plastic expansion anchors, an aluminum stretch hose and foil tape, and a user manual.

Some wall‑mount vent fans include a backdraft damper or damper guard that closes when the fan is off to reduce outside‑air backflow.