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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.
- Roof Ventilators 15 in Overall Width.
- Roof Ventilators 14 1/4 in Bracing.
- Roof Ventilators: Turbine VentilatorOverall Width.
- Roof Ventilators: 15 inBracing.
- Roof Ventilators: ExternalBearing System: Oiless Bronze Upper Bearing and Lower Thrust Type Ball BearingIncludes: -Overall Width In.