TJERNLUND Dryer Booster Duct Fan, 50 W Watts, 160 cfm CFM @ 0.000-In. SP, 120 V AC, 0.53 A Max. Amps - 45EA67|LB2 - Grainger
FANTECH Dryer Booster Duct Fan, 83 W Watts, 170 cfm CFM @ 0.000-In. SP, 120 V AC, 0.73 A Max. Amps - 15W791|DBF 4XL - Grainger
![Fantech DBF4XLT-705 Advanced Dryer Booster Fan UL-705 DEDPV Approved, 110 CFM, 4 inch Round Duct with Integrated Airflow Sensing Switch Fantech DBF4XLT-705 Advanced Dryer Booster Fan UL-705 DEDPV Approved, 110 CFM, 4 inch Round Duct with Integrated Airflow Sensing Switch](https://cdn3.volusion.com/krfyq.gnkuo/v/vspfiles/photos/Fantech-DBF4XLT-705-2.jpg?v-cache=1414663237)