Product Description

Upgrade your ventilation system with our high-performance Byson Gravity Grilles with Round Flange, Gray Plastic - For Extractor Plate Fans. Designed to complement plate extractor fans, this external louvered 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-stabilized 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.

• Key Features

  • Available in 3 Sizes – Choose from 10" x 10", 12.5" x 12.5", and 16" x 16" to match your plate fan or duct size

  • Gravity Louvers – Automatically open with fan airflow and close when off; prevents reverse airflow and debris entry

  • Weatherproof Design – Built from robust, UV-stabilized plastic ideal for long-term external wall use

  • Simple Surface Mounting –  Round flange and 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

• Applications

  • Plate extractor fans

  • Kitchen or bathroom exhausts

  • HVAC and air conditioning systems

  • Commercial ventilation setups

  • Industrial air removal applications

Sizing