Ventamatic CX64WH 4-Inch by 16-Inch Aluminum Undereave Screened Vent, 24-Pack, White Go to amazon.com Related posts Check expert advices for soffit vents? Feature16-Inch by 4-Inch sizeHelps create constant airflow in atticSaves on energy costs by reducing the strain on heating and cooling systemsHelps prolong shingle lifeComponent