Tjernlund EF-12 Duct Fan

Tjernlund EF-12 Duct Fan delivers powerful airflow in an in-line 12-inch duct solution, engineered to boost ventilation where you need it most. This 120-volt unit runs at 1550 RPM and moves up to 875 CFM, making it a reliable choice for duct booster tasks and exhaust applications.

Built with a galvanized steel housing for durability and versatility, the EF-12 fits round or flexible ducting and is suitable for outdoor air supply, lunch room exhaust, bathroom exhaust, and spot ventilation. Its 120V, 1.25A motor delivers 1550 RPM, 1/35 HP, and 875 CFM to handle demanding airflow while tolerating temperatures up to 150°F.

Designed for a range of applications, from duct booster and spot ventilation to pole barn warehouse exhaust, this inline fan provides dependable performance in commercial and light industrial settings. The galvanized housing resists corrosion and the in-line configuration simplifies installation along existing duct runs.

• Airflow: 875 CFM
• Electrical: 120 VAC, 1.25 A, 1/35 HP, 1550 RPM
• Construction: Galvanized steel housing; round and flexible duct compatibility
• Temperature rating: Up to 150°F
• Applications: Duct booster, outdoor air supply, lunch room exhaust, bathroom exhaust, spot ventilation, pole barn/warehouse exhaust

Efficient, durable, and easy to drop into existing ductwork, the Tjernlund EF-12 Duct Fan keeps spaces properly vented with dependable performance.