Merriway BH05603 Window/Door Frame Trickle Vent, White, 410mm, Pack of 1

IMPROVE EVERYDAY VENTILATION: Help maintain a fresher indoor environment with this adjustable window and door frame trickle vent, designed to support continuous background airflow. Regular ventilation can help reduce condensation and window fogging that may contribute to dampness and mould growth.
ADJUSTABLE AIRFLOW CONTROL: The adjustable hinge and flap allow you to control the level of airflow to suit the room and changing ventilation needs. Open the vent when extra circulation is required or adjust it for more controlled everyday airflow.
EASY INSTALLATION: Supplied with 4 screws and neat fixing covers for a clean finished appearance. This 410mm (16.1") vent is 18mm wide and has fixing centres of 385mm (15.2"). Check measurements and compatibility before fitting.
WHITE FINISH: The white finish coordinates neatly with compatible PVCu, timber and aluminium window and door frames. Brown, white and grey options are available across the range to complement different frame fin