Passive Air Vent Adjustable Airflow Through Wall Ventilation Kit with Telescopic Duct and Louvered Cover for 185 335mm

Feature: 1. Adjustable Length: The duct is telescopic, which can be adjusted to the appropriate size according to the thickness of the wall for installation. 2. Improved Air Quality: This passive air vent solves ventilation issues in enclosed spaces, which is quiet, dust proof, and enhances air quality. 3. Effective Rain Protection: The through wall air vent adopts angled louvered cover, which effectively prevents rainwater from entering. 4. Built in Filter: The passive air intake vent has built in filter, which can effectively filter out flying dust and prevent debris from entering. 5. Suitable Wall Thickness: This through wall vent requires hole opening size of 110mm, suitable for wall thickness between 185 335mm. Specification: Item Type: Passive Air Vent Material: ABS Required Hole Size: Approx. 110mm 4.33in Suitable Wall Thickness: 185 335mm. Package List: 1 x Passive Air Vent8 x Screw Note: