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

$204.00
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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

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