Lambro 6 inch Gray Plastic Wall Exhaust or Air Intake Vent – Hinged Screen – (Removable Damper) – Item #351GR (Replacement # 3510G)The Lambro 6 inch gray plastic exhaust or intake vent is ideal for venting or bringing fresh outside air through the wall. This vent is used for bath fan exhaust, range hood exhaust, other general venting applications that require moist air and humidity from exiting the home. The wall vent allows for maximum airflow while reducing back flow of exhaust air. The screen is hinged and removable to allow for opening closing for easy cleaning. The plastic