Gravity Flap Wall Vent Grille 100mm / 4" Dark Grey Anthracite External Exterior Ducting Air Round Spigot Fly Screen

AUTOMATIC GRAVITY FLAP: Designed to open automatically when the extractor fan is running and close securely when not in use to prevent backdraughts, cold air, or unwanted debris from entering your home. MODERN ANTHRACITE FINISH: Finished in a sleek, dark grey anthracite colour, this external grille offers a contemporary look that blends perfectly with modern building exteriors and aesthetics. SECURE PEST PROTECTION: Each unit includes a built-in, fine-mesh fly screen to effectively prevent insects and pests from accessing your ducting system. STANDARD 100MM COMPATIBILITY: Features a 100mm (4 inch) round spigot, making it fully compatible with standard flexible or rigid ducting pipes for a quick and reliable installation. WEATHER-RESISTANT CONSTRUCTION: Built from high-quality, durable materials engineered to withstand external weather conditions while maintaining reliable operation of the gravity-fed flap mechanism.