Lambro 3-1/4 In. x 10 In. Mill Finish Aluminum Kitchen Wall Vent Cap - 1 Each - 3-1/4 In. x 10 In.
$44.46
Opening/closing damper prevents outside elements from entering the vent. Damper is spring loaded to keep damper closed when not in use. For 3-1/4" x 10" duct. Damper spring controlled. Aluminum. Mill finish. Size: 3-1/4 In. x 10 In.