NEW EFD-635 Drainable Blade Louver Outperforms the Competition!
The EFD-635 drainable blade louver is designed to prevent.water penetration in non-wind-driven rain applications by collecting water in frame and blade gutters and channeling it into downspouts and away from airflow paths. The EFD-635 is available in a wide array of anodized and painted finishes including custom color matching.
High Free Area of 60.7%
1250 FPM @ Beginning Point of Water Penetration
AMCA Certified for Water Penetration and Air Performance
View EFD-635 Catalog Sheet