
Wind-Driven Turbine Exhaust Ventilator: 10 1/4 in Head Dia, 4 in Throat Dia, 126 cfm @ 4 mph, Steel
Wind-Driven Turbine Exhaust Ventilator: 10 1/4 in Head Dia, 4 in Throat Dia, 126 cfm @ 4 mph, Steel Brand EMPIRE Throat Diameter 4 in Overall Height 12 in Overall Width 10-1/4 in Airflow @ 4 mph126 cfm Bearing Type Lower Thrust Ball Bearing; Oilless Bronze Upper Bearing Housing Finish Galvanized Housing Material Steel Installation Requirements Base for New Installations; Flashing Weight5 lb Manufacturer Part NumberTV04G Head Diameter10-1/4 in UNSPSC40101503 Country of OriginUSA Item 4C016 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. Mfr. Model TV04G