115V AC Cooltron High Speed Fan with Power Plug * Case Size: 120 x 120 x 38 mm ( 4.7 x 4.7 x 1.5 in ) * Airflow: 110 CFM | Noise: 47 dBA | Speed: 2600 RPM | Power: 20 W | Bearings: Dual Ball * High Airflow: This model is designed to maximize airflow and can be too loud for some applications. * If your application requires minimal noise (AV and Home Theater Cabinets), please take a look at our Quiet Cabinet Fan models. Links can be found in the product description.