Overall Size: 380mm x 17mm
Slot Size: 336mm x 12mm
Equivalent Airflow: 1600 mm2 A large aluminium trickle vent designed to allow small amounts of ventilation in spaces required to be naturally ventilated when major elements of the design - windows, doors, etc., are otherwise closed. This product is easy to fit, suitable for many construction types and does not compromise on security. Ideal for night ventilation and has a very user friendly operation. Designed to be used with a grill and a canopy. Supplied without fixing screws.