12" Mill Aluminum Turbine Ventilator, Interal Brace, Permanently Lubricated Upper & Lower Bearings, No Maintenance, Rust Free Construction, Rigid Spider Type Structure, Vari Pitch Base Adjust To 12/12 Roof Pitch, Large Flashing, Life Time Manufacturer's Warranty, Easy To Install, Reduces Energy Bill._x000d_

Product Features

12" Mill Aluminum Turbine Ventilator, Interal Brace, Permanently Lubricated Upper & Lower Bearings, No Maintenance, Rust Free Construction, Rigid Spider Type Structure, Vari Pitch Base Adjust To 12/12 Roof Pitch, Large Flashing, Life Time Manufacturer's Warranty, Easy To Install, Reduces Energy Bill._x000d_