Heng's 13" x 20" Manual White Exit Vent 31121-C2 22-0349

Vent has plastic frame & lid with an aluminum screen. Includes a 2-3/8" plastic garnish. When in normal use, these large exit vents draw out & emit 3 times the air flow of a conventional size dome vent. An added feature is they are designed to allow a person to escape through the vent by engaging the emergency lever that opens the screen.