Wind-Driven Turbine Exhaust Ventilator: 19 in Head Dia, 12 in Throat Dia, 631 cfm @ 4 mph, Steel Number of Doors 2

Number of Doors 2

WEIGHT LBS       33

Frequency Response 10 Hz to 20 kHz Sensitivity 102 dB/mW at 1 kHz Maximum Power Handling 1000 mW

Seal-a-Meal

Model BRV-824-1/2-3-TEFC

Wind-Driven Turbine Exhaust Ventilator: 19 in Head Dia, 12 in Throat Dia, 631 cfm @ 4 mph, Steel Number of Doors 2Wind Driven Turbine Exhaust Ventilator: 19 in Head Dia, 12 in Throat Dia, 631 cfm @ 4 mph, Steel Wind driven turbine fans help ventilate structures without using electricity. As the wind blows, it turns the turbine and creates negative pressure. This low pressure draws hot air out of the structure and pulls in fresh air through openings in the structure. Brand EMPIRE Throat Diameter 12 in Overall Height 17 in Overall Width19 in Airflow @ 4 mph631 cfm