Wind-Driven Turbine Exhaust Ventilator: 19 in Head Dia, 12 in Throat Dia, 631 cfm @ 4 mph, Steel The removable leaf allows for

The removable leaf allows for last-minute accommodations

Ideal for Pet Hair

Mitutoyo 570-312 Digimatic Height Gage

HEPA Filtration: The whole machine HEPA filtration captures 99

This semi-automatic blood pressure monitor is equipped with an automatic deflation valve and last reading memory function

Wind-Driven Turbine Exhaust Ventilator: 19 in Head Dia, 12 in Throat Dia, 631 cfm @ 4 mph, Steel The removable leaf allows forWind 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