40 sq. in. NFA Galvanized Slant-Top Roof Louver Static Vent in (Black)

Roof Louvers are a type of attic exhaust vent that make up half of a balanced attic ventilation system for each roof. Intake vents make up the other half of the system. Together they help remove any built-up heat and moisture inside the attic for year-round ventilation. Highlights 40 sq. in. net free area Effiicient slant back and low profile design Made from galvanized steel For 3/12 to 12/12 roof pitch Galvanized steel painted black Part of a balanced attic ventilation system for year-round airflow Helps to fight heat and moisture buildup inside an attic as well as ice dams in cold climates. Requires intake ventilation for proper performance 7-1/2 in. round opening Roof Louvers are a type of attic exhaust vent that make up half of a balanced attic ventilation system for each roof. Intake vents make up the other half of the system. Together they help remove any built-up heat and moisture inside the attic for year-round ventilation. Seller Note: Items Packaging came damaged, Box