Vecamco PLASTIC AIR VENT 9" x 9" inch 230mm x 230mm x 19mm including insect protection. Air flow 210cm2. Surface mounted suitable for internal or external fitting. : Amazon.co.uk: DIY & Tools
Grille d'aération - Brico Dépôt
Bouche d'évacuation à clapet DMO - 010130 123elec.com