Vents 4 inch Black Plastic Cowled Air Vent Wall Grill with 100 mm Rear Spigot Ducting Gravity Flap Grille Cover for Hooded Cooker Hood Outlet Kitchen Bathroom Shed Extractor Fan Ventilation

Fits standard 100mm ducting – Cowled grille with 100mm (4”) rear spigot; overall external size 155 × 155 mm for a neat wall or ceiling finish. Automatic gravity flap – Opens with airflow and closes when not in use to help prevent back-draughts, insects, and unwanted odours entering the property. Push-fit installation – Simple push-fit connection to 100mm ducting; can be sealed with mastic, cement, or tape if required for a secure finish. Quick and easy installation – Simple wall-mounted design suitable for cooker hoods, bathroom fans, and kitchen extractor systems. Durable UV-resistant plastic – Strong plastic construction designed for long-term outdoor use without fading, cracking, or weather damage., Manufacturer: VENTS UK