Vents 6 inch Black External Gravity Grille Air Vent Cover with Removable Blades 150 mm Extractor Fan Back Draught Shutter Covers Ducting Tumble Dryer Bathroom Outside Wall Ventilation Hose Duct Grill

Weatherproof gravity vent grille – Black external wall vent made from durable plastic, sized 185 × 185 mm with a 150mm (6”) duct connection for outdoor use Non-return gravity flaps – Four gravity-operated shutters open with airflow and close when the fan stops, helping block draughts, rain, insects, odours, and noise. Quick and secure installation – Simple snap-fit design allows fast fitting to ducting; can be sealed if required for a tight, weather-resistant finish. Wide ventilation compatibility – Suitable for bathroom and kitchen extractors, whole-house ventilation, HVAC, passive airflow, and heat recovery systems. Building Regulations compliant – Manufactured in line with Approved Document F, supporting compliant domestic ventilation installations., Manufacturer: VENTS UK