- All-steel welded construction
- Includes screws
- Install with fins downward or upward to reduce visibility
- Margin turnback: 7/8"
- One-way air pattern
- WARNING - California Prop 65: This product may contain chemicals known to the State of California to cause cancer, birth defects or other reproductive harm. Wash hands after handling.
- With 1/3" spaced fins at 20°