Atmosphere Corded Centrifugal In-line Fan, 681 CFM at 0.2 s.p., for high static pressure applications and long duct runs, 8'' duct, backdraft damper not included, speed controller available separately

• Durable and Efficient: Made with an aerodynamic design for maximum airflow and a rustproof, heavy-gauge steel casing with a hammer-tone powder-coat finish that enables sound absorption for ultra quiet operation
• Easy Installation: Features an extended collar and lip for easy duct hook-up and galvanized brackets for versatile wall or ceiling mount; Prewired with speed controllable 6-foot 120v power cord