Protect your space from bugs, dust, and allergens with the Adjustable Vent 229mm x 229mm. Designed to fit treble brick apertures, this vent features an adjustable flyscreen that provides a practical solution for various spaces such as larders, cupboards, and wardrobes. Constructed from durable plastic, the vent has a flush-fit design that seamlessly integrates into any installation. With a free air space of 6350mm², it delivers effective airflow while maintaining a neat appearance. The vent includes an insect screen for added convenience and is easy to clean, as it can be washed in warm soapy water. Please note that it is not suitable for use with gas appliances. The vent's adjustable flyscreen and flush-fit design make it a suitable choice for various spaces, while its durable plastic construction ensures long-lasting performance.