Maxx Air Gable Louvers offer excellent intake ventilation to provide balance to residential home attic exhaust ventilation. The all aluminum construction and rodent-proof mesh screen ensure your louver vent can withstand harsh weather and fluctuating attic temperatures without damage and are lightweight for easy install. These metal louvers enable constant airflow through the attic when combined with attic exhaust vents and function as an essential component of a well-balanced attic ventilation system in your house.