Master Flow® Roof Louver R50A ‑ Aluminum Square Throat

Ideal for attic exhaust ventilation and other applications; 50 in² of NFA. This aluminum square-top utility vent with square throat offers versatile application as an attic exhaust vent, kitchen duct outlet or bathroom exhaust vent. Available in four popular colors, it provides 50 sq. in. (32,258 mm2) of NFA to help exhaust heat and moisture.