- Heavy-duty construction.
- Used for flush mounting.
- 8x8 perma-coated screen attached for insect protection.
- Machine tab-fold construction.
- Built-in weather protection.
- Permanently lubricated upper and lower ball bearings that ensure long life and no maintenance.
- All-aluminum rust-free construction.
- 21 air-foil curved vanes with rolled vane edges to deflect water.
- Large flashing for easy installation.
- Tested to withstand winds of 147 m.p.h. Reduces energy bills.