Wind-driven turbine ventilator is externally braced for strength and perfect alignment. It is designed with a bronze, oil-impregnated top bearing. Vents have a bottom thrust-type pivot bearing with a hardened steel ball riding in a hardended steel seat.
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- Throat Dia. 6'
- CFM @ 4 MPH Wind 147
- Overall Height - Roof Ventilators 14-1/2'
- Overall Width - Roof Ventilators 12-3/4'
- Bracing - Roof Ventilators External
- Item - Roof Ventilators Turbine Ventilator
- Construction Material Galvanized Steel With Aluminum Bracing
- Bearing System Features Oiless Bronze Upper Bearing and Lower Thrust Type Ball Bearing
- Requires Base for New Installations, Flashing