RW Simon 400mm uPVC Framevent Trickle Vent Door Slot Vent PVC Double Glazing
Vent size: 400mm (L) x 16.6mm (H) x 16.6mm (D). Can be fitted to give upward or downward airflow. Airflow performance:3180mm² EA (Equivalent Area) - independently tested to BS EN 13141-1:2019. Integral fly screen in external hood.