Air Vent Black Galvanized Steel Slant-Back Roof Louver

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. Use the Lowe's calculator to determine how many individual roof louvers are needed per roof. Low-profile, compact design 40 square inches of net free area airflow each Galvanized steel construction with a 7.5-in round opening Slant-back design Suitable for 3/12 to 12/12 roof pitch 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 Use the Lowe's online calculator to determine how many are needed for each attic CA Residents: Prop 65 WARNING(S)