20 Whirlybird Turbine Roof Top Vent

We have 18 available galvanized wind powered ventilators. They all spin freely. Roof top whirlybird turbine vent / ventilators. Condition is "Used".
We have 18 available galvanized wind powered ventilators. They all spin freely. Roof top whirlybird turbine vent / ventilators. Condition is Used.

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Vintage Copper Whirlybird Wind Turbine Exhaust Vent. Overall in good condition, with wear and patina from use and age. Made of mostly copper, except

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Simply put, you can't buy a better turbine. The turbine design features permanently lubricated upper and lower ball bearings that ensure long life and no maintenance. Other common features of the turbine are its rigid spider-type construction riveted at every connection and tested to withstand winds of 110 mph, 21 air-foil curved vanes with rolled edges to deflect water and 100% rust-free all-aluminum construction. The Whirlybird turbine's large flashing makes installation easy.