100mm 4 Inch Wall Vent Kit with 500mm Duct, Grille and Backdraught Cowl | For Bathrooms, Kitchens, Toilets and Utility Rooms, Through-Wall Airflow, Insect Screen, Backdraught Protection, White Finish

Complete Ventilation Set - Includes a white 500mm rigid duct, round indoor grille with insect screen, exterior cowl with backdraught damper, 4 screws and 4 wall plugs. For Everyday Household Rooms - Creates a direct through-wall airflow route for compatible 100mm ventilation systems in bathrooms, kitchens, toilets, cloakrooms, laundry rooms and utility rooms. Helps Restrict Insect Entry - The indoor grille incorporates a fine screen that allows air to pass while helping reduce insects entering the room through the ventilation duct. Helps Reduce Unwanted Draughts - The exterior cowl features an integrated backdraught damper designed to help reduce reverse airflow when outward airflow stops. Exterior Cover Fixings Included - Supplied with 4 screws and 4 wall plugs for securing the exterior cover, keeping the required exterior fixings together with the vent components.