Wind-driven rain louver
Pottorff ECV-445 wind-driven rain louver offers increased protection and lower cost than its previous models.
Pottorff's AMCA-certified 4-in. model ECV-445 vertical blade, wind-driven rain louver offers exceptional protection against wind-driven rain under the most severe conditions and is ideally suited for high-wind areas that are sensitive to wind-driven rain penetration. The ECV-445 has an improved free area at 42.9% and is Class A rated at 50 mph wind-driven rain 500-L. It is AMCA certified for air performance, wind-driven rain, and now water penetration, and it costs up to 50% less than the previous model.