AirTech-UK Grey Gravity Grille Vent for Extractor Plate Fans – 200mm, 250mm, 315mm, 355mm, 400mm – External Plastic Louvered Wall Vent Cover for HVAC & Ducting (355mm Diameter)

• ✅ Available in 5 Sizes – Choose from 200mm, 250mm, 315mm, 355mm, or 400mm to match your plate fan or duct size.
• ✅ Gravity Louvres – Automatically open with fan airflow and close when off; prevents reverse airflow and debris entry.
• ✅ Weatherproof Design – Built from robust, UV-stabilised plastic ideal for long-term external wall use.
• ✅ Simple Surface Mounting – Pre-drilled mounting holes for fast installation on walls or duct openings.
• ✅ Universal Application – Perfect for extractor systems in homes, kitchens, workshops, offices, warehouses, and industrial buildings.

Upgrade your ventilation system with our high-performance Gravity Grille Vent, available in sizes ranging from 200mm to 400mm. Designed to complement plate extractor fans, this external louvred grille automatically opens with airflow and closes when idle—preventing cold drafts, rain ingress, and pests from entering. Ideal for domestic, commercial, and industrial exhaust applications, the grille is made from durable, UV-stabilised plastic suitable for outdoor wall mounting. Whether you’re ventilating a kitchen, workshop, warehouse, or commercial premises, this gravity flap vent ensures efficient air outflow with low resistance. Compatible with all standard ducting and ventilation systems, this grille is available in 5 sizes to suit your installation needs.