Louvre vent, 150x150 mm and 180x180 mm, for wall installation. Available in grey, black, red, and white. With loose slats that open for internal airflow but minimize drafts from the outside. Used in connection with bathroom fans, kitchen fans, and tumble dryers. Fits wall duct 111195. Dimensions (A×B×C×D×E×F): 177×140×177×140×24×14 mm. Dimensions (A×B×C): 180×180×28 mm. Air passage: 0–175 cm².