Severe Weather/High Performance Louvers
| IL42, IL43 | 4" Deep Architectural Severe Weather Louver | |
|---|---|---|
| IL59 | 5" Deep Wind Driven Rain Louver: Eliminating Wind Driven Rain at a rainfall rate of 3" per hour and 29 mph winds | |
| IL61, IL62, IL63 | 6" Deep Architectural Severe Weather Louver | |
| IL80 | 8" Deep Architectural Severe Weather Louver |
