- Heavy-duty extruded aluminum frame
- 16 in interlocking louvers provide a weather seal
- Louver tie bar to reduce flapping
- Nylon bearings and solid shaft for a smooth performance
- Welded corners
- 1.5-inch pre-drilled mounting flange
- Weight: Approximately: 4 pounds
- Shipping Dimensions: Approximately 19 x 19 x 2.25 inches.
- This product cannot be shipped to: CA