This white louvred plastic vent, measuring 9 x 3 inches, is designed to cover a standard single brick aperture. It provides a free air space of 4200 sq mm and is suitable for venting gas appliances up to 41kW.

Product Features:

• Free Air Space: Offers 4200 sq mm for effective ventilation.
• Aperture Coverage: Specifically designed to cover a single brick aperture.
• Gas Appliance Suitability: Appropriate for venting gas appliances up to 41kW.
• Insect Protection: Features a fixed, built-in fly screen to deter insects and spiders.

This 9 x 3 inch white louvred plastic vent offers practical ventilation for single brick apertures and is suitable for specific gas appliance applications.