The EME4625 Aluminum Wind-Driven Rain Resistant Stationary Louver has a 4" deep frame and vertical blades. It features:
• 41% free area.
• Closely spaced vertical blades that prevent the penetration of wind-driven rain, reducing damage and additional operating expenses.
• Less expensive than 6" wind driven rain models.
• Aluminum construction for low maintenance and high resistance to corrosion.