The turbine design features permanently lubricated upper and lower ball bearings that ensure long life and no maintenance. Simply put, you can't buy a better turbine.Features
- All-aluminum rust-free construction.
- Permanently lubricated upper and lower ball bearings that ensure long life and no maintenance.
- Large flashing for easy installation.
- Easy installation.
- Big Whirly 14" moves up to 37% more air than the 12".
- Reduces energy bills.
- Rigid spider-type structure.
- Reduces winter ice build up.
- Riveted at every connection.