Lomanco Whirlybird BIB12B Turbine Ventilator, 12 in Dia Throat, Aluminum, Black

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About This Product All Lomanco® Whirlybird® turbines come with a lifetime transferable warranty. 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. The Whirlybird® turbine's exclusive vari-pitch base adjusts to a 12/12 roof pitch for use on many roof applications. When installed. Highlights Permanently lubricated upper and lower ball bearings that ensure long life and no maintenance Riveted at every connection 21 air foil curved vanes with rolled vane edges to deflect water Large flashing for easy installation Tested to withstand winds of 110 mph Easy installation Reduces energy bills (TURBINE BASE UNIT 12IN BL - 1448679 - BIB12B) Show more