12” x 4” (305 mm x 102 mm) high-impact plastic soffit/undereave vent provides 22 sq. in. of NFA to allow cool, fresh air to enter the attic. Oval snap-in design for easy installation with 5/16" soffit material.
Note: Always have a balanced ventilation system. In no case should the amount of exhaust ventilation exceed the amount of intake ventilation.